weather
Heavy snow is expected
What:
Significantly reduced visibility in heavy snow.
Local snowfall amounts of 10 to 15 cm.
When:
Tonight and ending Monday morning.
Additional information:
Heavy snow will impact the region as a low pressure system passes tonight. Travel along portions of highway 17, portions of highway 101, and Wawa township will be impacted. The snow will taper off Monday morning as the low pressure system exits the area.
Visibility will likely be suddenly reduced to near zero at times. Roads and walkways will likely be difficult to navigate due to accumulating snow. Prepare for quickly changing and deteriorating travel conditions.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Feb 02, 2026 03:08
Until: Feb 02, 2026 19:08
weather
Heavy snow is expected.
What:
Significantly reduced visibility in heavy snow.
Local snowfall amounts of 10 to 15 cm.
When:
Ending this morning.
Additional information:
Heavy snow will impact the region as a low pressure system passes. Travel along portions of highway 17, portions of highway 101, and Wawa township will be impacted. The snow will taper off this morning as the low pressure system exits the area.
Visibility will likely be suddenly reduced to near zero at times. Roads and walkways will likely be difficult to navigate due to accumulating snow. Prepare for quickly changing and deteriorating travel conditions.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Feb 02, 2026 09:36
Until: Feb 02, 2026 19:06
weather
Heavy snow is expected
What:
Significantly reduced visibility in heavy snow.
Local snowfall amounts of 10 to 15 cm.
When:
Tonight and ending Monday morning.
Additional information:
Heavy snow will impact the region as a low pressure system passes tonight. Travel along highway 17 and Wawa township will be impacted. The snow will taper off Monday morning as the low pressure system exits the area.
Visibility will likely be suddenly reduced to near zero at times. Roads and walkways will likely be difficult to navigate due to accumulating snow. Prepare for quickly changing and deteriorating travel conditions.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Feb 02, 2026 02:19
Until: Feb 02, 2026 18:19
snow squall
###
From: Jan 26, 2026 01:50
Until: Jan 26, 2026 02:50
cold
Bitterly cold conditions continuing into Saturday morning.
What:
Wind chill values near minus 40.
When:
Continuing into Saturday morning.
###
Extreme cold puts everyone at risk.
Watch for cold related symptoms: shortness of breath, chest pain, muscle pain and weakness, numbness and colour change in fingers and toes.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 23, 2026 22:51
Until: Jan 24, 2026 16:02
snow squall
Lake effect snow continues.
What:
Additional snowfall accumulations of 10 to 20 cm.
Significantly reduced visibility in heavy snow and local blowing snow.
When:
Continuing tonight and ending Thursday evening.
Additional information:
The snow squalls may push south of the region Thursday morning but are expected to return in the afternoon.
###
Travel will be hazardous. Visibility will be suddenly reduced to near zero at times. Roads and walkways will be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 22, 2026 04:57
Until: Jan 22, 2026 20:57
snow squall
Lake effect snow continues tonight.
What:
Additional snowfall accumulations of 10 to 20 cm.
Significantly reduced visibility in heavy snow and local blowing snow.
When:
Continuing tonight and ending Thursday evening.
Additional information:
The snow squalls will continuing through Thursday. The snow squalls may push south of the region Thursday morning but are expected to return in the afternoon clearing the region in the evening.
###
Travel will be hazardous. Visibility will be suddenly reduced to near zero at times. Roads and walkways will be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 21, 2026 23:25
Until: Jan 22, 2026 15:25
snow squall
###
Travel will be hazardous. Visibility will be suddenly reduced to near zero at times. Roads and walkways will be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 21, 2026 16:58
Until: Jan 22, 2026 15:25
snow squall
Lake effect snow continues tonight.
What:
Additional snowfall accumulations of 10 to 20 cm.
Significantly reduced visibility in heavy snow and local blowing snow.
When:
Continuing tonight and ending Thursday evening.
Additional information:
The snow squalls will return this evening continuing through Thursday. The snow squalls may push south of the region Thursday morning but are expected to return in the afternoon clearing the region in the evening.
###
Travel will be hazardous. Visibility will be suddenly reduced to near zero at times. Roads and walkways will be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 21, 2026 21:41
Until: Jan 22, 2026 13:41
snow squall
Lake effect snow returns this evening.
What:
Additional snowfall accumulations of 10 to 20 cm.
Significantly reduced visibility in heavy snow and local blowing snow.
When:
Returning this evening and ending Thursday morning.
Additional information:
The more intense lake effect snow squalls have pushed north of the region for the time being. The snow squalls are expected to return this evening clearing the region Thursday morning.
###
Travel will be hazardous. Visibility will be suddenly reduced to near zero at times. Roads and walkways will be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 21, 2026 16:58
Until: Jan 22, 2026 08:58
snow squall
Snow squalls continue.
What:
Significantly reduced visibility in heavy snow.
Local snowfall amounts of 15 to 25 cm.
When:
Ending tonight.
Additional information:
The lake effect snow will clear the region tonight as the winds become more northwesterly.
###
Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero at times. Roads and walkways will likely be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 21, 2026 21:29
Until: Jan 22, 2026 07:59
snow squall
###
Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero at times. Roads and walkways will likely be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 21, 2026 21:29
Until: Jan 22, 2026 07:59
snow squall
Lake effect snow continues.
What:
Reduced visibility in heavy snow.
Additional local snowfall amounts of 5 to 10 cm.
When:
Ending tonight.
Additional information:
The lake effect snow will clear the region tonight as the winds become more northwesterly.
###
Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero at times. Roads and walkways will likely be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 22, 2026 00:22
Until: Jan 22, 2026 06:59
snow squall
Lake effect snow continue.
What:
Reduced visibility in heavy snow.
Additional local snowfall amounts of 5 to 10 cm.
When:
Ending tonight.
Additional information:
The lake effect snow will clear the region tonight as the winds become more northwesterly.
###
Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero at times. Roads and walkways will likely be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 21, 2026 23:25
Until: Jan 22, 2026 06:59
snow squall
Snow squalls are no longer expected.
###
From: Jan 22, 2026 04:23
Until: Jan 22, 2026 05:23
weather
A wintry mix continues today.
What:
Total rainfall amounts of 10 to 25 mm.
Total snowfall amounts of 5 to 10 cm.
Reduced visibility in heavy snow.
When:
The rain will transition over to snow later this morning. The snow will end from west to east later this afternoon or early this evening.
Additional information:
The frozen ground will have a limited ability to absorb the rainfall and snow melt. Localized ponding on roadways may occur.
Temperatures will fall to below the freezing mark this afternoon into this evening. Any water on roadways and walkways will freeze, creating icy and slippery conditions.
For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit Ontario.ca/floods for the latest details.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 09, 2026 09:45
Until: Jan 10, 2026 01:45
weather
A wintry mix expected tonight through Friday.
What:
Total rainfall amounts of 10 to 20 mm.
Total snowfall amounts of 5 to 15 cm.
Reduced visibility in heavy snow.
When:
Tonight through Friday.
Where:
The heaviest snowfall may occur along highway 101 Friday morning.
Additional information:
A low pressure system is expected to bring a wintry mix of precipitation to the area beginning tonight. Rain is expected to begin tonight and transition to snow Friday morning.
The frozen ground will have a limited ability to absorb the rainfall and snow melt Thursday night. Localized flash flooding and water pooling on roadways may occur for areas with poor drainage.
On Friday, temperatures will fall to below the freezing mark, any water on roadways and walkways will freeze, creating icy and slippery conditions.
Uncertainty remains in the track and intensity of the low pressure system, as such rainfall and snowfall amounts may change.
For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit Ontario.ca/floods for the latest details.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 08, 2026 10:47
Until: Jan 09, 2026 02:47
weather
A wintry mix expected Thursday night through Friday.
What:
Total rainfall amounts of 10 to 20 mm.
Total snowfall amounts of 5 to 15 cm.
Reduced visibility in heavy snow.
When:
Thursday night through Friday.
Where:
The heaviest snowfall may occur along highway 101 Friday morning.
Additional information:
A low pressure system is expected to bring a wintry mix of precipitation to the area beginning Thursday night. Rain is expected to begin Thursday night and transition to snow Friday morning.
The frozen ground will have a limited ability to absorb the rainfall and snow melt Thursday night. Localized flash flooding and water pooling on roadways may occur for areas with poor drainage.
On Friday, temperatures will fall to below the freezing mark, any water on roadways and walkways will freeze, creating icy and slippery conditions.
Uncertainty remains in the track and intensity of the low pressure system, as such rainfall and snowfall amounts may change.
For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit Ontario.ca/floods for the latest details.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 07, 2026 23:15
Until: Jan 08, 2026 15:15
snow squall
Lake effect snow weakening this evening.
What:
Additional local snowfall amounts of 5 to 10 cm.
Significantly reduced visibility in snow and local blowing snow.
When:
Ending this evening.
Additional information:
Westerly to northwesterly winds gusting to near 50 km/h will result in local blowing snow and significantly reduced visibility. Winds and lake effect snow are expected to weaken through the evening.
For road conditions and other traveller information from the Ministry of Transportation, visit https://www.ontario.ca/511, https://www.twitter.com/511Ontario, or call 5-1-1.
###
Visibility will likely be suddenly reduced to near zero at times. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 02, 2026 20:41
Until: Jan 03, 2026 07:07
snow squall
Lake effect snow this afternoon and evening.
What:
Additional local snowfall amounts of 5 to 10 cm.
Significantly reduced visibility in snow and local blowing snow.
When:
Ending this evening.
Additional information:
Lake effect snow off Lake Superior is currently affecting areas from Montreal River Harbour to Sault Ste. Marie, but is expected to lift as far north as Lake Superior Provincial Park this afternoon. Westerly to northwesterly winds gusting to near 50 km/h resulting in blowing snow will significantly reduce visibility. Winds and lake effect snow are expected to weaken this evening.
For road conditions and other traveller information from the Ministry of Transportation, visit https://www.ontario.ca/511, https://www.twitter.com/511Ontario, or call 5-1-1.
###
Visibility will likely be suddenly reduced to near zero at times. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 02, 2026 16:02
Until: Jan 03, 2026 04:03
snow squall
Snow squalls continue.
What:
Total local snowfall amounts of 15 to 30 cm.
Significantly reduced visibility in snow and local blowing snow.
When:
Ending by this evening.
Additional information:
Snow squalls are affecting regions east of Lake Superior. The highest snowfall amounts are expected in areas just north of Sault Ste. Marie. The snow squalls are expected to weaken by this evening.
For road conditions and other traveller information from the Ministry of Transportation, visit https://www.ontario.ca/511, https://www.twitter.com/511Ontario, or call 5-1-1.
###
Visibility will likely be suddenly reduced to near zero at times. Roads and walkways will likely be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 02, 2026 10:45
Until: Jan 03, 2026 02:45
snow squall
Snow squalls expected to continue into Friday.
What:
Local snowfall amounts of 15 to 30 cm by Friday afternoon.
Significantly reduced visibility in snow and local blowing snow.
When:
Continuing through Friday afternoon.
Additional information:
Snow squalls are affecting regions east of Lake Superior. The highest snowfall amounts are expected in areas just north of Sault Ste. Marie.
For road conditions and other traveller information from the Ministry of Transportation, visit https://www.ontario.ca/511, https://www.twitter.com/511Ontario, or call 5-1-1.
###
Visibility will likely be suddenly reduced to near zero at times. Roads and walkways will likely be difficult to navigate due to accumulating snow. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Jan 02, 2026 02:57
Until: Jan 02, 2026 18:57
winter storm
Hazardous winter storm expected Sunday afternoon through Monday night.
What:
Snowfall amounts of 30 to 50 cm.
Risk for freezing rain with minor ice accretion possible
Strong northwesterly winds with gusts of 60 to 70 km/h
Blizzard conditions.
When:
Beginning Sunday evening and continuing into Monday night.
Additional information:
Precipitation may begin as freezing rain or ice pellets Sunday evening but is expected to change over to snow early overnight. Some light ice accretion is possible with any freezing rain that occurs. The strong northwesterly winds will pick up through Monday morning leading to blizzard conditions. The snow and winds will ease from west to east through Monday night.
###
Roads and walkways will likely be very difficult to navigate. Travel will likely be hazardous. Visibility will likely be suddenly reduced to near zero at times. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 27, 2025 21:58
Until: Dec 28, 2025 13:58
winter storm
A major winter storm expected Sunday evening to Monday evening.
What:
Possible snowfall amounts of 20 to 40 cm.
Visibility near zero in heavy snow and blowing snow.
Northerly winds gusting up to 70 km/h.
When:
Beginning Sunday evening through to Monday evening.
Additional information:
A rapidly intensifying low pressure system is expected to track over the Great Lakes. Precipitation is expected to begin as freezing drizzle or flurries before transitioning to snow and widespread blowing snow Sunday night. Snow may be mixed with ice pellets at times. Northerly winds gusting up to 70 km/h are expected Monday morning and afternoon.
There remains some uncertainty regarding the track of the low pressure system and as a result exact precipitation amounts remain somewhat uncertain.
###
Roads and walkways may be very difficult to navigate. Visibility may be suddenly reduced to near zero at times. Road closures are possible. Prolonged utility outages are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 27, 2025 05:22
Until: Dec 28, 2025 02:17
snowfall
Significant snowfall continues.
What:
Snowfall amounts near 15 cm.
Reduced visibility at times in heavy snow.
Reduced visibility in blowing snow near the shores of Lake Superior.
When:
Ending this afternoon.
Additional information:
Snow will end from west to east later today. Strong winds from the southeast gusting up to 60 km/h near the shores of Lake Superior may reduce visibility to near zero at times in blowing snow.
###
Travel will likely be challenging. Roads and walkways will likely be difficult to navigate due to accumulating snow.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 26, 2025 17:04
Until: Dec 26, 2025 21:59
snowfall
###
Travel will likely be challenging. Roads and walkways will likely be difficult to navigate due to accumulating snow.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 26, 2025 17:04
Until: Dec 26, 2025 21:59
snowfall
Significant snowfall continues.
What:
Totals snowfall amounts of 15 to 20 cm, with locally higher amounts possible near Lake Superior.
Reduced visibility in heavy snow and local blowing snow.
When:
Ending later this morning.
Additional information:
Areas near Lake Superior will also see local blowing snow with winds gusting up to 60 km/h. Snow is expected to taper to flurries later this morning.
###
Travel will likely be challenging. Visibility will likely be reduced at times.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 26, 2025 14:48
Until: Dec 26, 2025 18:59
snowfall
###
Travel will likely be challenging. Visibility will likely be reduced at times.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 26, 2025 14:48
Until: Dec 26, 2025 18:59
snowfall
Significant snowfall is no longer expected.
###
From: Dec 26, 2025 16:52
Until: Dec 26, 2025 17:52
snowfall
Significant snowfall continues.
What:
Snowfall amounts of 15 to 20 cm, with locally higher amounts possible near Lake Superior.
Reduced visibility in heavy snow and local blowing snow.
When:
Continuing this evening and ending Friday morning.
Additional information:
Areas near Lake Superior will also see local blowing snow with winds gusting up to 60 km/h. Snow is expected to taper to flurries by Friday morning for most regions, except closer to noon for Wawa.
###
Travel will likely be challenging. Visibility will likely be reduced at times.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 25, 2025 21:52
Until: Dec 26, 2025 13:56
snow squall
Snow squalls tonight.
What:
Near zero visibility at times in heavy snow and blowing snow.
Local snowfall amounts of 10 to 15 cm.
West winds gusting up to 80 km/h along Lake Superior and Whitefish Bay.
When:
This evening and tonight. Conditions will improve by Sunday morning.
Additional information:
Behind today's Alberta Clipper, snow squalls are developing. The snow squall bands are expected to move through the night, limiting snowfall accumulations somewhat, but visibility will be reduced to near zero under these bands.
###
Travel will likely be hazardous. Road closures are possible. Local utility outages are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 20, 2025 21:50
Until: Dec 21, 2025 13:50
snow squall
Snow squalls possible this evening and tonight.
What:
Near zero visibility at times in heavy snow and blowing snow.
Local snowfall amounts of 10 to 15 cm.
When:
This evening into tonight. Conditions will improve by Sunday morning.
Additional information:
Behind today's Alberta Clipper, snow squalls are likely to develop off Lake Superior as winds pivot from south to northwest. The snow squall bands are expected to move through the night, limiting snowfall accumulations somewhat, but visibility will be reduced to near zero under these bands. Blowing snow is also expected, as winds will be gusting up to 70 km/h.
###
Visibility may be suddenly reduced to near zero at times. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 20, 2025 14:19
Until: Dec 21, 2025 06:19
snowfall
Snowfall with total amounts of 10 to 15 cm is expected.
What:
Reduced visibility in heavy snow and blowing snow.
Local snowfall amounts of 10 to 15 cm.
When:
Continuing through this afternoon.
Additional information:
An Alberta Clipper passing through the region is expected to create hazardous travel conditions today near the shores of Lake Superior due to lake-enhanced snowfall. Strong southerly winds gusting up to 60 km/h will also accompany this snowfall.
###
Visibility will likely be reduced at times. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 20, 2025 21:37
Until: Dec 21, 2025 03:00
snowfall
Snowfall with total amounts of 10 to 15 cm is expected.
###
Visibility will likely be reduced at times. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 20, 2025 21:52
Until: Dec 21, 2025 02:59
snowfall
Snowfall with total amounts of 10 to 15 cm is expected.
What:
Reduced visibility in heavy snow and blowing snow.
Local snowfall amounts of 10 to 15 cm.
When:
Overnight through Saturday afternoon.
Additional information:
An Alberta Clipper passing through the region is expected create hazardous travel conditions along the north shore of Lake Superior due to lake enhanced snowfall. Strong southerly winds gusting up to 60 km/h will also accompany this snowfall.
###
Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 19, 2025 21:32
Until: Dec 20, 2025 13:32
winter storm
Winter storm continues through Friday morning.
What:
Total snowfall amounts are expected to range from near 10 cm toward the shore of Lake Superior, including Wawa, to 15 to 20 cm for areas inland and over the higher terrain.
Reduced visibility in heavy snow and blowing snow.
When:
Continuing through Friday morning.
Additional information:
Rain has changed over to snow this evening as temperatures rapidly fell below the freezing mark. In addition, northerly winds gusting 50 to 60 km/h will result in blowing snow. The combination of heavy snow and blowing snow may result in near zero visibility at times.
Conditions will improve from west to east through Friday morning.
###
Travel will likely be challenging. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 19, 2025 04:24
Until: Dec 19, 2025 19:03
winter storm
Winter storm continues through Friday morning.
What:
Total snowfall amounts are expected to range from near 10 cm toward the shore of Lake Superior, including Wawa, to 15 to 20 cm for areas inland and over the higher terrain.
Reduced visibility in heavy snow and blowing snow.
Flash freeze.
When:
Continuing through Friday morning.
Additional information:
Rain is expected to change over to snow this evening as temperatures rapidly fall below the freezing mark. In addition, northerly winds gusting 50 to 60 km/h will result in blowing snow. The combination of heavy snow and blowing snow may result in near zero visibility at times.
Conditions will improve from west to east through Friday morning.
###
Travel will likely be challenging. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 18, 2025 23:09
Until: Dec 19, 2025 15:09
flash freeze
Flash freeze tonight into Friday morning.
What:
Temperatures are forecast to fall rapidly. Ponding water, slush, and any falling precipitation will freeze as the temperature drops.
When:
Tonight through Friday morning.
Additional information:
Rain will change over to snow tonight through Friday morning as temperatures rapidly fall below the freezing mark. Local snowfall amounts of 5 to 10 cm are expected.
Northerly winds gusting 50 to 60 km/h may result in blowing snow. The combination of snow and blowing snow may result in poor visibility at times.
###
Roads and walkways may quickly become icy and slippery. Icy surfaces will likely form quickly and could be difficult to detect.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 18, 2025 20:00
Until: Dec 19, 2025 12:19
weather
Rain today, followed by a possible flash freeze tonight into Friday.
What:
Total rainfall amounts of 10 to 20 mm.
Flash freeze.
Local snowfall amounts of 5 to 10 cm from Montreal River to Earlton and north.
Reduced visibility in snow and blowing snow for some areas.
When:
This morning through Friday afternoon.
Additional information:
Rain will affect the area today before changing over to snow tonight through Friday morning as temperatures rapidly fall below the freezing mark.
Northerly winds gusting 50 to 60 km/h may result in blowing snow tonight into Friday.
Roads and walkways may become icy and slippery.
Travel may become difficult at times.
For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit Ontario.ca/floods for the latest details.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 18, 2025 15:02
Until: Dec 19, 2025 07:02
winter storm
Winter storm expected through Friday morning.
What:
Total snowfall amounts are expected to range from 10 cm near the shore of Lake Superior, including Wawa, to 15 to 20 cm for areas inland and over the higher terrain.
Reduced visibility in heavy snow and blowing snow.
Flash freeze.
When:
Continuing through Friday morning.
Additional information:
Snow has changed over to periods of drizzle. A period of rain is expected beginning later this morning before changing back to snow late this afternoon into this evening as temperatures rapidly fall below the freezing mark. In addition, northerly winds gusting 50 to 60 km/h will result in blowing snow beginning this evening.
Conditions will improve from west to east through Friday morning.
###
Travel will likely be challenging. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 18, 2025 13:40
Until: Dec 19, 2025 05:40
weather
Rain today, followed by a possible flash freeze tonight into Friday.
What:
Total rainfall amounts of 10 to 25 mm.
Flash freeze.
Local snowfall amounts of 5 to 10 cm.
Reduced visibility in snow and blowing snow.
When:
This morning through Friday afternoon.
Additional information:
Rain will affect the area this morning before changing over to snow overnight as temperatures rapidly fall below the freezing mark.
The higher rainfall amounts are expected from Elliot Lake to Greater Sudbury to North Bay. Snowfall amounts are expected to be variable across the area, with the highest accumulations from Montreal River to Earlton and north.
Northerly winds gusting 50 to 60 km/h will result in blowing snow tonight into Friday.
Roads and walkways may become icy and slippery.
Travel may become difficult at times.
For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit Ontario.ca/floods for the latest details.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 18, 2025 11:17
Until: Dec 19, 2025 03:17
winter storm
Winter storm continues into Friday.
What:
Total snowfall amounts of 15 to 25 cm for higher terrain.
Reduced visibility in heavy snow and blowing snow.
Flash freeze.
When:
Continuing through Friday afternoon.
Additional information:
Snow, at times heavy, will transition to periods of rain or drizzle later this morning. The precipitation will change back to snow late this afternoon into this evening as temperatures rapidly fall below the freezing mark. In addition, northerly winds gusting 50 to 60 km/h will result in blowing snow beginning this evening.
Conditions will improve from west to east through Friday.
###
Travel will likely be challenging. Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
From: Dec 18, 2025 07:05
Until: Dec 19, 2025 02:59
