Yellow Warning - Rainfall
2:43 a.m. EDT Wednesday 11 March 2026

Impact Level: Moderate

Forecast Confidence: High


Rain, heavy at times is expected. The saturated or frozen ground will have little ability to absorb this rainfall.

What:
Rainfall amounts of 20 to 40 mm. Locally higher amounts are possible in areas that receive thunderstorms.

When:
This morning and lasting through the day.

Additional information:
A series of low pressure systems will lead to significant rainfall across parts of southern Ontario.

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.

Water will likely pool on roads and in low-lying areas.

Don't drive through flooded roadways. Avoid low-lying areas. Watch for washouts near rivers, creeks and culverts.

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.

In effect for:
  • London - Parkhill - Eastern Middlesex County

Special Weather Statement
3:02 a.m. EDT Wednesday 11 March 2026

A cluster of thunderstorms with frequent lightning

What:
Marble to nickel size hail is possible.

When:
Overnight through early this morning.

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.

In effect for:
  • London - Parkhill - Eastern Middlesex County

CLICK for Environment Canada Ontario South Alerts
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Updated: @ 11/03/2026 04:00 - next update at 04:05  
Summary / Temperature Wind Rain Outlook
Light thunderstorm, Overcast Light thunderstorm, Overcast
Currently: 9.1, Max: 11.9, Min: 9.1 9.1°C
Colder 0.5°C than last hour.

Cool

Feels like: 8°C

24-hr difference
-1.2°CColder 1.2°C than yesterday at this time.
  Today Yesterday
High: 11.9°C
00:00
18.1°C
12:07
Low: 9.1°C
03:58
6.2°C
19:41
 Wind from ESE ESE
8.5
Gust:
23.5 km/h
2 Bft - Light breeze
Today: 32.1 km/h 01:19
Gust Month: 49.2 km/h March 5
Rain Today: 1.8 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0.2 mm
This Month: 33.2 mm
Season Total: 88.8 mm
0 day since last rain.
Wed, 11 Mar
Showers
Showers
Humidity & Barometer Almanac Moon
Humidity: 69 % Increased 3.0% since last hour.
Dew Point: -0.2°C Increased 0.3°C since last hour.
Barometer: 1005.46 hPa Falling 1.4  hPa/hr
Baro Trend: Falling quickly
Sunrise: 07:45
Sunset: 19:27
Moonrise: 03:24
Moonset: 11:39
Waning Gibbous
Waning Gibbous, Moon at 21 days in cycle
48%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 00:00
0 W/m2
High: 0 @  00:00
 EC Weather Forecast  - Outlook: Tonight & Wed, 11 Mar
Tonight
Showers
Showers

Min: 6°C
EC forecast: Showers with risk of a thunderstorm. Fog patches developing near midnight. Amount 10 to 15 mm. Wind becoming east 20 km/h gusting to 40 late this evening. Low 6.
Davis VP+ forecast: Increasing clouds and cooler. Precipitation possible within 6 hours Windy.
 
Wed, 11 Mar
Showers
Showers

Max: 15°C
EC forecast: Cloudy. 60 percent chance of showers in the morning. Showers beginning late in the morning. Risk of a thunderstorm in the morning and afternoon. Fog patches dissipating near noon. Amount 15 to 25 mm. Wind east 30 km/h becoming southwest 20 late in the morning then west 40 gusting to 60 late in the afternoon. High 15. UV index 2 or low.


For longer term forecast click here





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