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Hourly Forecast - Montréal

SEVERE THUNDERSTORM WATCH

This morning and this afternoon, conditions will be favourable for the development of dangerous thunderstorms capable of producing very strong wind gusts, large hail and heavy rain. Large hail can damage property and cause injury. Very strong wind gusts can damage buildings, down trees and blow large vehicles off the road. Remember, severe thunderstorms can produce tornadoes. Water-related activities may be unsafe due to violent and sudden gusts of wind over bodies of water. Lightning kills and injures Canadians every year. Remember, when thunder roars, go indoors! Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or tweet reports using #QCStorm.

In effect for:
  • Montréal Island area
Date/Time
(EDT)
Temp.
(°C)
Weather ConditionsLikelihood of precip (%) Wind
(km/h)
Humidex
30 June 2024
12:00 24 Chance of showers or thunderstorms.

Chance of showers or thunderstorms.

60SW 20
gusts 40
30
13:00 24 Chance of showers or thunderstorms.

Chance of showers or thunderstorms.

60SW 20
gusts 40
30
14:00 25 Chance of showers or thunderstorms.

Chance of showers or thunderstorms.

60SW 20
gusts 40
30
15:00 25 Chance of showers or thunderstorms.

Chance of showers or thunderstorms.

60SW 20
gusts 40
30
16:00 24 Chance of showers or thunderstorms.

Chance of showers or thunderstorms.

60SW 20
gusts 40
29
17:00 24 Chance of showers or thunderstorms.

Chance of showers or thunderstorms.

60SW 20
gusts 40
29
18:00 22 Chance of showers

Chance of showers

40NW 20
gusts 40
27
19:00 21 Chance of showers

Chance of showers

40NW 20
gusts 40
25
20:00 19 Chance of showers

Chance of showers

40NW 20
gusts 40
*
21:00 18 Chance of showers

Chance of showers

40N 15
*
22:00 18 Chance of showers

Chance of showers

40N 15
*
23:00 17 Chance of showers

Chance of showers

40N 15
*
1 July 2024
00:00 16 Mainly cloudy

Mainly cloudy

0N 15
*
01:00 16 Mainly cloudy

Mainly cloudy

0N 15
*
02:00 15 Mainly cloudy

Mainly cloudy

0N 15
*
03:00 15 Mainly cloudy

Mainly cloudy

0N 15
*
04:00 15 Mainly cloudy

Mainly cloudy

0N 15
*
05:00 15 A mix of sun and cloud

A mix of sun and cloud

0N 15
*
06:00 15 A mix of sun and cloud

A mix of sun and cloud

0N 20
*
07:00 16 Mainly sunny

Mainly sunny

0N 20
*
08:00 16 Sunny

Sunny

0N 20
*
09:00 18 Sunny

Sunny

0N 20
*
10:00 19 Sunny

Sunny

0N 20
*
11:00 21 Sunny

Sunny

0N 20
*

* Value not significant

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