Updated:  12/10/2025 10:13:00
 

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Forecast - Environment Canada
⚠Snowfall Warning ▶
8:42 a.m. EST Wednesday 10 December 2025

Snowfall Warning in effect for:
  • City of Toronto
Heavy snow continues today.

What:
Additional snowfall amounts near 5 to 10 cm.
Reduced visibility in heavy snow.

When:
Ending this afternoon.

Additional Information:
An Alberta clipper will bring snow across the area which may be heavy at times beginning early this morning. The snow is expected to taper to scattered flurries or drizzle from southwest to northeast this afternoon. Lesser snowfall amounts are expected near the Lake Ontario shore where a transition to rain or rain snow mix is expected.

Travel will likely be challenging. Roads and walkways will likely be difficult to navigate due to accumulating snow. There may be a significant impact on rush hour traffic. Visibility will likely be reduced at times.

Prepare for quickly changing and deteriorating travel conditions. Allow extra time for travel.

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.
 Extended Forecast - Environment Canada
Today
Snow
Snow
Max: 2°C
 Thu, 11 Dec
Chance of flurries (30%)
Chance of flurries
Max: -5°C
 Fri, 12 Dec
A mix of sun and cloud
A mix of sun and cloud
Max: -1°C
 Sat, 13 Dec
Chance of flurries (60%)
Chance of flurries
Max: -3°C
 Sun, 14 Dec
Chance of flurries (40%)
Chance of flurries
Max: -5°C
 Mon, 15 Dec
Cloudy
Cloudy
Max: -4°C
 Tue, 16 Dec
Cloudy
Cloudy
Max: -1°C
Tonight
Chance of flurries (40%)
Chance of flurries
Min: -10°C
 Night
Chance of flurries (30%)
Chance of flurries
Min: -7°C
 Night
Chance of flurries (60%)
Chance of flurries
Min: -4°C
 Night
Chance of flurries (40%)
Chance of flurries
Min: -8°C
 Night
Chance of flurries (30%)
Chance of flurries
Min: -9°C
 Night
Cloudy
Cloudy
Min: -6°C
  

Forecast

Toronto Island, ON (Issued: 5:00 AM EST Wednesday 10 December 2025)

Today
Snow. Amount 5 to 10 cm except 4 cm near Lake Ontario. Wind becoming northwest 30 km/h gusting to 50 early this afternoon. High plus 2.
Tonight
Mainly cloudy with 40 percent chance of flurries. Wind northwest 30 km/h gusting to 50. Low minus 10. Wind chill minus 20 overnight.
Thu, 11 Dec
A mix of sun and cloud. 30 percent chance of flurries early in the morning. Wind northwest 30 km/h gusting to 50. High minus 5. Wind chill minus 16 in the morning and minus 9 in the afternoon. UV index 1 or low.
Night
Cloudy periods with 30 percent chance of flurries. Low minus 7.
Fri, 12 Dec
A mix of sun and cloud. High minus 1.
Night
Cloudy with 60 percent chance of flurries. Low minus 4.
Sat, 13 Dec
A mix of sun and cloud with 60 percent chance of flurries. High minus 3.
Night
Cloudy periods with 40 percent chance of flurries. Low minus 8.
Sun, 14 Dec
A mix of sun and cloud with 40 percent chance of flurries. High minus 5.
Night
Cloudy periods with 30 percent chance of flurries. Low minus 9.
Mon, 15 Dec
Cloudy. High minus 4.
Night
Cloudy. Low minus 6.
Tue, 16 Dec
Cloudy. High minus 1.

24 Hour Forecast - Toronto Island, ON

Date/Time Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
10 December 2025
11 AM 1 Snow (80%)  Snow 80 W 10
12 PM 2 Snow (80%)  Snow 80 W 10
1 PM 2 Snow (80%)  Snow 80 NW 20 gust 40
2 PM 2 Snow (80%)  Snow 80 NW 20 gust 40
3 PM 1 Snow (80%)  Snow 80 NW 20 gust 40
4 PM 1 Snow (80%)  Snow 80 NW 30 gust 50
5 PM 0 Chance of flurries (40%)  Chance of flurries 40 NW 30 gust 50
6 PM 0 Chance of flurries (40%)  Chance of flurries 40 NW 30 gust 50
7 PM -1 Chance of flurries (40%)  Chance of flurries 40 NW 30 gust 50
8 PM -1 Chance of flurries (40%)  Chance of flurries 40 NW 30 gust 50
9 PM -1 Cloudy (20%)  Cloudy 20 NW 30 gust 50
10 PM -1 Cloudy (20%)  Cloudy 20 NW 30 gust 50
11 PM -3 Cloudy (20%)  Cloudy 20 NW 30 gust 50
11 December 2025
12 AM -4 Mainly cloudy (20%)  Mainly cloudy 20 NW 30 gust 50
1 AM -6 Partly cloudy (20%)  Partly cloudy 20 NW 30 gust 50
2 AM -7 A few clouds (20%)  A few clouds 20 NW 30 gust 50
3 AM -9 Chance of flurries (30%)  Chance of flurries 30 NW 30 gust 50
4 AM -10 Chance of flurries (30%)  Chance of flurries 30 NW 30 gust 50
5 AM -9 Chance of flurries (30%)  Chance of flurries 30 W 15
6 AM -9 Chance of flurries (30%)  Chance of flurries 30 W 15
7 AM -8 Chance of flurries (30%)  Chance of flurries 30 W 20
8 AM -8 Chance of flurries (30%)  Chance of flurries 30 W 20
9 AM -7 A mix of sun and cloud (20%)  A mix of sun and cloud 20 W 20
10 AM -7 A mix of sun and cloud (20%)  A mix of sun and cloud 20 NW 30 gust 50
 
† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time.
  Nil: 0%
  Low: 40% or below
  Medium: 60% or 70%
  High: Above 70%

Environment Canada