3 day severe thunderstorm risk in Mississauga and Brampton this week

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Published July 23, 2023 at 7:22 pm

May 22 Weather: Hot temperatures give way to thunderstorms for southern Ontario

It will be mostly warm and humid this week with a bit of sunshine, but meteorologists predict a 3-day thunderstorm to hit first.

Beginning today (Jul. 23) it will be cloudy with temperatures sitting at a warm 25 C.  Environment Canada calls for the risk of a thunderstorm in the evening which is expected to continue overnight.

An accumulation of 30 to 40 mm of rain is also a possibility.

The Weather Network calls for a high chance (60%) of a second thunderstorm, which is anticipated to clear up by the evening. Temperatures will stay consistent through the day at 25 C with the UV index reaching 8 or ‘very high.’

In this case residents who may want to venture outside should lather on some sunscreen to avoid harmful  exposure from the sun. There will even be visible patches of fog which will disappear late in the evening.

Tuesday brings  another 60 percent chance for the third (and hopefully the final) thunderstorm warning for the week. Temperatures will climb to 28 C for most of the day before dropping to 17 C closer to the night where the skies are also expected to clear up.

According to Environment Canada stormy weather of this kind are capable of producing very strong winds and up to nickel size hail. The torrential rainfall  can damage weak buildings, break branches off trees and overturn large vehicles.

In some circumstances the heavy rain can also cause flash floods and pooling on roads.

There will be clear skies and plenty of sunshine on Wednesday and Thursday with temperatures soaring 30 C on both days!

It will be mostly cloudy on Friday with a 40 chance of rain, which is expected to continue until the evening.

The rain will subside by Saturday as temperatures drop to the mid 20’s with a mix of sun and clouds throughout the day.

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