cold
A period of very cold wind chills is expected.
What:
Wind chill values near -40.
When:
Early this morning.
###
Cold warnings are issued when very cold temperatures or wind chill creates an elevated risk to health such as frost bite and hypothermia.
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 01, 2026 10:25
Until: Jan 01, 2026 17:00
cold
A period of very cold wind chills is expected.
What:
Wind chill values near -40.
When:
Overnight into early Thursday morning.
###
Cold warnings are issued when very cold temperatures or wind chill creates an elevated risk to health such as frost bite and hypothermia.
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 31, 2025 18:14
Until: Jan 01, 2026 15:42
freezing drizzle
Areas of freezing drizzle are expected.
Freezing drizzle is expected tonight into Friday morning leading to light ice build up on some surfaces.
###
Roads, walkways, and other surfaces will likely become icy and slippery. Icy surfaces will likely form 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 26, 2025 02:58
Until: Dec 26, 2025 16:04
weather
Icy conditions are possible today.
Hazard:
Patchy ice pellets or freezing drizzle.
Light ice accretion leading to hazardous travel conditions.
When:
This morning into this afternoon.
Additional information:
An Alberta clipper is bringing patchy ice pellets and freezing drizzle to portions of northern Ontario today. The ice pellets are expected to end this morning with the risk for freezing drizzle continuing into this afternoon. This may lead to minor ice build up which could lead to hazardous travel conditions.
Roads, walkways, and other surfaces will likely become icy and
slippery. Be very careful if walking or driving.
###
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 16, 2025 10:26
Until: Dec 16, 2025 23:03
flash freeze
What:
Temperatures rapidly falling below freezing leading to icy conditions.
When:
Late this afternoon into this evening.
Additional information:
Temperatures are expected to reach the low to mid single digits this afternoon, leading to melting in some areas. A sharp cold front will move through northwestern Ontario this evening causing a rapid drop in temperatures below the freezing mark, resulting in icy conditions.
Additionally, any precipitation that falls before or during this temperature change could further contribute to the icy conditions. Overnight lows are expected to be anywhere from -16 to -20 degrees Celsius.
###
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 16, 2025 11:48
Until: Dec 16, 2025 20:48
weather
Icy conditions are possible this morning.
Hazard:
Patchy ice pellets or freezing drizzle.
Light ice accretion leading to hazardous travel conditions.
When:
This morning.
Additional information:
An Alberta clipper is bringing ice pellets or freezing drizzle to portions of northwestern Ontario this morning. This may lead to minor ice build up which could lead to hazardous travel conditions.
Roads, walkways, and other surfaces will likely become icy and
slippery. Be very careful if walking or driving.
###
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 16, 2025 10:31
Until: Dec 16, 2025 19:01
weather
Icy conditions are possible Tuesday morning.
Hazard:
Patchy ice pellets or freezing drizzle.
Light ice accretion leading to hazardous travel conditions.
When:
Late tonight into Tuesday.
Additional information:
An Alberta clipper is expected to bring patchy ice pellets and freezing drizzle across the region starting late tonight. The ice pellets are expected to end through Tuesday morning with the risk for freezing drizzle continuing into the afternoon. This may lead to to minor ice build up which could lead to hazardous travel conditions.
Roads, walkways, and other surfaces will likely become icy and
slippery. Be very careful if walking or driving.
###
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 15, 2025 23:10
Until: Dec 16, 2025 15:10
weather
Icy conditions are possible Tuesday morning.
Hazard:
Patchy ice pellets or freezing drizzle.
Light ice accretion leading to hazardous travel conditions.
When:
Late tonight into Tuesday morning.
Additional information:
An Alberta clipper is expected to bring patchy ice pellets or freezing drizzle across the region starting late tonight into Tuesday morning. This may lead to to minor ice build up which could lead to hazardous travel conditions.
Roads, walkways, and other surfaces will likely become icy and
slippery. Be very careful if walking or driving.
###
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 15, 2025 23:06
Until: Dec 16, 2025 15:06
weather
Snow and blowing snow continues tonight.
What:
Poor visibility in heavy snow and blowing snow.
Snowfall amounts up to 10 cm with locally up to 15 cm possible.
When:
Continuing tonight.
Additional information:
An Alberta clipper will continue to track east across the region tonight bringing with it gusty winds and heavy snow, leading to hazardous travel conditions. Visibility may be suddenly reduced to near zero at times. Roads and walkways may be difficult to navigate due to accumulating 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.
###
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 04, 2025 22:46
Until: Dec 05, 2025 10:06
freezing rain
Freezing rain is expected or occurring.
What:
Freezing rain. Light ice accumulation is possible on some surfaces.
When:
This morning.
Additional information:
Temperatures will gradually rise above the freezing mark later this morning bringing an end to the freezing rain.
###
Icy surfaces 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.
From: Nov 22, 2025 10:22
Until: Nov 22, 2025 19:02
freezing rain
Freezing rain is no longer expected.
###
From: Nov 22, 2025 16:00
Until: Nov 22, 2025 17:00
