A severe weather alert was issued by Environment and Climate Change Canada this morning for Montreal.
The rainfall warning for heavy precipitation is expected overnight Thursday night until midday Friday, with the rain easing later in the day on Friday.
Rainfall warnings are issued when significant impacts are expected due to rainfall amounts.
A low-pressure system drawing moisture from the remnants of Hurricane Melissa is expected to bring up to 100 mm of rain to southern Quebec by Saturday evening.
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Expect wind gusts reaching up to 70 km/h during trick-or-treating on Friday.
Looking for the best indoor Halloween fun this year?
Check out our essential Montreal Halloween Guide 2025.
Water will likely pool on roads and in low-lying areas causing potential travel delays.
Difficult conditions are expected across most regions for Halloween door-to-door festivities.
There are currently many storm drains clogged across Southern Quebec with falling leaves, especially in the Montreal area.
To prevent water from pooling on your street, clear away any leaves that might be blocking rainwater drainage.
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