Updated4/2/2025 19:19:00
 
Forecast - Environment Canada
Rainfall Warning
6:51 p.m. EDT Wednesday 2 April 2025

Rainfall Warning in effect for:
  • City of Toronto
Rain, heavy at times is expected. The ground, already near saturation, has little ability to absorb further rainfall.

What:
Rain, at times heavy. Total rainfall amounts of 30 to 50 mm. Locally higher amounts near 75 mm are possible if thunderstorms repeatedly impact the same area.

When:
Through early Thursday morning.

Additional information:
With thunderstorms expected, rainfall amounts may exceed 50 mm over some areas, particularly over southwestern Ontario. Rain will end from west to east overnight into early Thursday morning.

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.

Localized flooding in low-lying areas is possible. Heavy downpours can cause flash floods and water pooling on roads.

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.

 Extended Forecast - Environment Canada
Tonight
Showers
Showers
Min: 2°C
Night
A few clouds
A few clouds
Min: 2°C
Night
Chance of showers (30%)
Chance of showers
Min: 4°C
Night
Chance of showers (30%)
Chance of showers
Min: 3°C
Night
Chance of rain showers or flurries (30%)
Chance of rain showers or flurries
Min: -3°C
Night
Chance of flurries (30%)
Chance of flurries
Min: -6°C
 
Thu, 3 Apr
A few showers
A few showers
Max: 19°C
Fri, 4 Apr
Sunny
Sunny
Max: 12°C
Sat, 5 Apr
Periods of rain (70%)
Periods of rain
Max: 9°C
Sun, 6 Apr
Cloudy
Cloudy
Max: 7°C
Mon, 7 Apr
Chance of flurries (30%)
Chance of flurries
Max: 3°C
Tue, 8 Apr
Chance of flurries (30%)
Chance of flurries
Max: 3°C

Forecast

Toronto Island, ON (Issued: 7:11 PM EDT Wednesday 2 April 2025)

Tonight
Showers with risk of a thunderstorm. Amount 20 to 30 mm. Wind east 30 km/h gusting to 60. Temperature rising to 13 by morning.
Thu, 3 Apr
A few showers ending late in the morning then clearing. Amount 5 mm. Wind southwest 30 km/h gusting to 50. High 19 except 12 near Lake Ontario. UV index 6 or high.
Night
A few clouds. Wind southwest 30 km/h gusting to 50 becoming northwest 20 in the evening then light after midnight. Low plus 2.
Fri, 4 Apr
Sunny. High 12.
Night
Cloudy periods with 30 percent chance of showers. Low plus 4.
Sat, 5 Apr
Cloudy with 70 percent chance of rain. High 9.
Night
Cloudy with 30 percent chance of showers. Low plus 3.
Sun, 6 Apr
Cloudy. High 7.
Night
Cloudy periods with 30 percent chance of rain showers or flurries. Low minus 3.
Mon, 7 Apr
A mix of sun and cloud with 30 percent chance of flurries. High plus 3.
Night
Cloudy periods with 30 percent chance of flurries. Low minus 6.
Tue, 8 Apr
A mix of sun and cloud with 30 percent chance of flurries. High plus 3.

24 Hour Forecast - Toronto Island, ON

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
2 April 2025
8 PM 2 Showers. Risk of thunderstorms (100%)  Showers. Risk of thunderstorms 100 E 30 gust 60
9 PM 2 Showers. Risk of thunderstorms (100%)  Showers. Risk of thunderstorms 100 E 30 gust 60
10 PM 3 Showers. Risk of thunderstorms (100%)  Showers. Risk of thunderstorms 100 E 30 gust 60
11 PM 3 Showers. Risk of thunderstorms (100%)  Showers. Risk of thunderstorms 100 E 30 gust 60
3 April 2025
12 AM 3 Showers. Risk of thunderstorms (100%)  Showers. Risk of thunderstorms 100 SE 30 gust 50
1 AM 4 Showers. Risk of thunderstorms (100%)  Showers. Risk of thunderstorms 100 SE 30 gust 50
2 AM 4 Showers. Risk of thunderstorms (100%)  Showers. Risk of thunderstorms 100 SE 30 gust 50
3 AM 5 Showers (100%)  Showers 100 SE 30 gust 50
4 AM 6 Showers (100%)  Showers 100 SE 30 gust 50
5 AM 7 Showers (100%)  Showers 100 SE 30 gust 50
6 AM 9 A few showers (80%)  A few showers 80 SW 30 gust 50
7 AM 11 A few showers (80%)  A few showers 80 SW 30 gust 50
8 AM 13 A few showers (80%)  A few showers 80 SW 30 gust 50
9 AM 14 A few showers (80%)  A few showers 80 SW 30 gust 50
10 AM 15 A few showers (80%)  A few showers 80 SW 30 gust 50
11 AM 16 A mix of sun and cloud (20%)  A mix of sun and cloud 20 SW 30 gust 50
12 PM 17 Mainly sunny (20%)  Mainly sunny 20 SW 30 gust 50
1 PM 18 Sunny (20%)  Sunny 20 SW 30 gust 50
2 PM 19 Sunny (0%)  Sunny 0 SW 30 gust 50
3 PM 18 Mainly sunny (0%)  Mainly sunny 0 SW 30 gust 50
4 PM 18 Mainly sunny (0%)  Mainly sunny 0 SW 30 gust 50
5 PM 17 Mainly sunny (0%)  Mainly sunny 0 SW 30 gust 50
6 PM 15 Mainly sunny (0%)  Mainly sunny 0 SW 30 gust 50
7 PM 14 Mainly sunny (0%)  Mainly sunny 0 SW 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