cold
Very cold wind chills expected.
What:
Wind chill values near minus 40.
When:
Early this morning.
Additional Information:
Temperatures will moderate today.
###
Extreme cold puts everyone at risk.
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 29, 2026 10:20
Until: Jan 30, 2026 00:19
cold
A period of very cold wind chills is expected.
What:
Wind chill values near minus 40.
When:
Early this morning.
###
Extreme cold puts everyone at risk.
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 29, 2026 07:26
Until: Jan 29, 2026 21:24
cold
A period of very cold wind chills is expected.
What:
Wind chill values near minus 40.
When:
Tonight into Thursday morning.
###
Extreme cold puts everyone at risk.
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 29, 2026 04:33
Until: Jan 29, 2026 18:32
cold
Extreme cold conditions are no longer expected.
###
From: Jan 20, 2026 18:18
Until: Jan 29, 2026 17:04
cold
A prolonged period of very cold wind chills is expected.
What:
Wind chill values near minus 40.
When:
Continuing through Sunday morning, possibly returning overnight Sunday into Monday morning for some areas.
Additional information:
Little relief is expected during the day as an Arctic airmass establishes itself over the region.
###
Extreme cold puts everyone at risk.
Risks are greater for young children, older adults, people with chronic illnesses, people working or exercising outdoors, and those without proper shelter.
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 25, 2026 03:55
Until: Jan 25, 2026 19:59
cold
A period of very cold wind chills is expected.
What:
Wind chill values near minus 40.
When:
Until early this afternoon.
Additional information:
Temperatures will moderate later this afternoon.
###
Extreme cold puts everyone at risk.
Risks are greater for young children, older adults, people with chronic illnesses, people working or exercising outdoors, and those without proper shelter.
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 20, 2026 17:09
Until: Jan 20, 2026 20:59
cold
A period of very cold wind chills is expected.
###
Extreme cold puts everyone at risk.
Risks are greater for young children, older adults, people with chronic illnesses, people working or exercising outdoors, and those without proper shelter.
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 20, 2026 17:09
Until: Jan 20, 2026 20:59
cold
A period of very cold wind chills is expected.
What:
Wind chill values near minus 40.
When:
Tonight into Tuesday morning.
###
Extreme cold puts everyone at risk.
Risks are greater for young children, older adults, people with chronic illnesses, people working or exercising outdoors, and those without proper shelter.
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 19, 2026 23:50
Until: Jan 20, 2026 15:50
weather
A wintry mix expected tonight through Friday.
What:
Total snowfall amounts of 10 to 15 cm.
Total rainfall amounts of 5 mm.
Reduced visibility in heavy snow.
When:
Rain-snow mix beginning tonight and changing to snow by morning. Snow ending Friday afternoon.
Additional information:
Friday morning or afternoon, temperatures will fall to below the freezing mark. Any water on roadways and walkways will freeze, creating icy and slippery 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: Jan 08, 2026 20:58
Until: Jan 09, 2026 12:58
blowing snow
Poor visibility in snow and blowing snow is expected in some locations.
What:
Significantly reduced visibility in blowing snow.
When:
Continuing through this afternoon.
Additional information:
Northwesterly winds gusting 40 to 60 km/h will result in blowing snow and significantly reduced visibility, particularly in open areas. Winds are expected to gradually ease tonight.
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.
###
Travel will likely be hazardous due to near-zero visibility. 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 30, 2025 19:33
Until: Dec 31, 2025 04:00
winter storm
Winter storm continues today.
What:
Additional snowfall amounts of 10 to 15 cm.
Northwesterly winds gusting to 70 km/h.
Reduced visibility in snow and blowing snow.
When:
Continuing through tonight.
Additional information:
While conditions should improve through tonight, light snow and northwesterly winds gusting 50 to 60 km/h are expected to persist into Wednesday.
###
Travel will likely be challenging. Visibility will likely be suddenly reduced to near zero 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 30, 2025 09:43
Until: Dec 31, 2025 01:43
blowing snow
Poor visibility in snow and blowing snow is expected in some locations.
What:
Significantly reduced visibility in blowing snow.
When:
Continuing through this afternoon.
Additional information:
Northwesterly winds gusting 50 to 70 km/h will result in blowing snow and significantly reduced visibility, particularly in open areas. Winds are expected to gradually ease tonight.
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.
###
Travel will likely be hazardous due to near-zero visibility. 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 30, 2025 09:45
Until: Dec 31, 2025 01:01
winter storm
Hazardous winter storm expected to continue tonight.
What:
Snowfall amounts of 40 to 60 cm.
Northwesterly wind gusts of 60 to 80 km/h.
Blizzard conditions.
When:
Ending tonight.
Additional information:
The snow and winds will ease from west to east tonight.
###
Roads and walkways will likely be very difficult to navigate. Travel will likely be hazardous. 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 29, 2025 23:19
Until: Dec 30, 2025 14:05
winter storm
Winter storm ending tonight.
What:
Additional snowfall amounts of 5 to 10 cm.
Northwesterly wind gusts of 60 to 80 km/h.
When:
Tonight.
Additional information:
Northwesterly winds will gradually ease tonight, however, gusts of 50 to 60 km/h will persist into Tuesday which may result in local blowing snow.
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.
###
Roads and walkways will likely be difficult to navigate. Travel will likely be challenging.
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 30, 2025 02:59
Until: Dec 30, 2025 12:01
winter storm
###
From: Nov 24, 2025 18:10
Until: Dec 30, 2025 09:45
winter storm
Major winter storm with heavy snow and blowing snow continues.
What:
Total snowfall amounts of 30 to 60 cm with higher amounts possible.
Poor visibility at times in heavy snow and blowing snow.
When:
Continuing through Friday morning.
Additional information:
Strong northerly winds gusting up to 70 km/h will accompany the snow, leading to blowing snow and reduced visibility to near zero at times. Conditions will begin to improve Friday as the low pressure system responsible moves east of the region.
###
Travel will likely be hazardous. 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.
From: Nov 28, 2025 03:01
Until: Nov 28, 2025 17:02
winter storm
Major winter storm with heavy snow and blowing snow continues.
What:
Total snowfall amounts of 30 to 60 cm with higher amounts possible.
Near zero visibility at times in heavy snow and blowing snow.
When:
Continuing through Friday morning.
Additional information:
Strong northerly winds gusting up to 70 km/h will accompany the snow, leading to blowing snow and reduced visibility to near zero at times.
###
Travel will likely be hazardous. 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.
From: Nov 27, 2025 23:40
Until: Nov 28, 2025 15:43
winter storm
Major winter storm with heavy snow and blowing snow continues.
What:
Total snowfall amounts of 30 to 60 cm with higher amounts possible.
Peak snowfall rates of 2 to 4 cm per hour.
Near zero visibility at times in heavy snow and blowing snow.
When:
Continuing through Friday morning.
Additional information:
Strong northerly winds gusting up to 70 km/h will accompany the snow, leading to blowing snow and reduced visibility to near zero at times.
###
Travel will likely be hazardous. 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.
From: Nov 27, 2025 15:58
Until: Nov 28, 2025 07:58
winter storm
Major winter storm with heavy snow and blowing snow continues.
What:
Total snowfall amounts of 30 to 60 cm with higher amounts possible.
Peak snowfall rates of 2 to 4 cm per hour.
Near zero visibility at times in heavy snow and blowing snow.
Brief freezing drizzle possible this morning.
When:
Continuing through Friday morning.
Additional information:
Strong northerly winds gusting up to 70 km/h will accompany the snow, leading to blowing snow and reduced visibility to near zero at times.
###
Travel will likely be hazardous. 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.
From: Nov 27, 2025 10:22
Until: Nov 28, 2025 02:22
winter storm
Major winter storm with heavy snow and blowing snow continues.
What:
Total snowfall amounts of 30 to 60 cm with higher amounts possible.
Peak snowfall rates of 2 to 4 cm per hour.
Near zero visibility at times in heavy snow and blowing snow.
When:
Continuing through Thursday night or Friday morning.
Additional information:
Strong northerly winds gusting up to 70 km/h will accompany the snow, leading to blowing snow and reduced visibility to near zero at times.
###
Travel will likely be hazardous. 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.
From: Nov 26, 2025 21:53
Until: Nov 27, 2025 13:56
winter storm
Heavy snow and blowing snow are expected.
What:
Total snowfall amounts of 15 to 25 cm.
Reduced visibility in heavy snow and blowing snow.
When:
Beginning Wednesday and ending Thursday night or Friday morning.
Additional information:
Strong northerly winds will also accompany the snow, leading to blowing snow and reduced visibility. Total snowfall amounts may exceed 25 cm for some locales.
###
Roads and walkways will likely be difficult to navigate. Travel will likely be challenging.
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.
From: Nov 25, 2025 01:34
Until: Nov 25, 2025 17:34
winter storm
###
Roads and walkways may be very difficult to navigate. 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.
From: Nov 24, 2025 13:20
Until: Nov 25, 2025 05:20
winter storm
Heavy snow and blowing snow are expected.
What:
Total snowfall amounts of 15 to 30 cm.
Reduced visibility in heavy snow and blowing snow.
When:
Beginning Tuesday night and ending Friday afternoon.
Additional information:
Strong northerly winds will also accompany the snow, leading to possible blowing snow that could reduce visibility to near zero at times. There remains uncertainty with the exact track of the low pressure system, and therefore the corridor of heaviest snowfall. Total snowfall amounts may exceed 30 cm for some locations.
###
Roads and walkways may be very difficult to navigate. 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.
From: Nov 24, 2025 13:20
Until: Nov 25, 2025 05:20
winter storm
Heavy snow and blowing snow is expected.
What:
Total snowfall amounts of 15 to 30 cm.
Reduced visibility in heavy snow and blowing snow.
When:
Beginning Tuesday night and ending Friday afternoon.
Additional information:
Strong northerly winds will also accompany the snow, leading to possible blowing snow that could reduce visibility to near zero at times. There remains uncertainty with the exact track of the low pressure system, and therefore the corridor of heaviest snowfall. Total snowfall amounts may exceed 30 cm for some locations.
###
Roads and walkways may be very difficult to navigate. 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.
From: Nov 24, 2025 10:22
Until: Nov 25, 2025 02:22
