Yellow Watch - Severe Thunderstorm
4:36 p.m. EDT Tuesday 14 July 2026

Impact Level: Moderate

Forecast Confidence: High


Today, conditions are favourable for the development of severe thunderstorms capable of producing strong wind gusts, large hail and heavy rain.

There is also a risk of a tornado this afternoon.

Nautical activities may be hazardous due to sudden, severe wind gusts over bodies of water.

When thunder roars, go indoors! Lightning kills and injures Canadians every year.

Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.

In effect for:
  • Montréal Island area

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Updated: @ 07/14/2026 16:55 EDT - next update at 17:00 EDT  
Summary / Temperature Wind Rain Outlook
Cloudy, Dry Cloudy, Dry
Currently: 30.6, Max: 30.9, Min: 22.3 30.6°C
Warmer 0.1°C than last hour.

Warm

Feels like: 35.9°C

24-hr difference
3.6°CWarmer 3.6°C than yesterday at this time.
  Today Yesterday
High: 30.9°C
16:32 EDT
28.9°C
12:49 EDT
Low: 22.3°C
04:50 EDT
19.8°C
05:50 EDT
 Wind from SW SW
0.4
Gust:
0 km/h
0 Bft - Calm
Today: 29.6 km/h 06:21 EDT
Gust Month: 43.5 km/h July 1
Rain Today: 0 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0 mm
Storm Rain: 0 mm
This Month: 45 mm
Season Total: 609 mm
3 rain days in July.
Wed, 15 Jul
Chance of showers (30%)
Chance of showers
Humidity & Barometer Almanac Moon
Humidity: 68 % Decreased 1.0% since last hour.
Dew Point: 24°C Decreased 0.2°C since last hour.
Barometer: 1006.6 mb Falling 0.7  mb/hr
Baro Trend: Falling slowly
Sunrise: 05:20 EDT
Sunset: 20:42 EDT
Moonrise: 05:10 EDT
Moonset: 20:30 EDT
New Moon
New Moon, Moon at 0 days in cycle
0%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 1.8 @ 13:21 EDT
105 W/m2 (17 %)
High: 710 @  13:22 EDT
 EC Weather Forecast  - Outlook: Tonight & Wed, 15 Jul
Tonight
Chance of showers (60%)
Chance of showers

Min: 20°C
EC forecast: Mainly cloudy with 60 percent chance of showers this evening and risk of a severe thunderstorm. Clearing overnight. Wind west 20 km/h gusting to 40 becoming light this evening. Low 20.
Davis VP+ forecast: Mostly cloudy and cooler, precipitation possible within 12 hours, possibly heavy at times, windy.
 
Wed, 15 Jul
Chance of showers (30%)
Chance of showers

Max: 29°C
EC forecast: A mix of sun and cloud. 30 percent chance of showers late in the afternoon. Wind becoming west 20 km/h gusting to 40 in the morning. High 29. Humidex 33. UV index 8 or very high.