Huge 20 C temperature swing in southern Ontario today

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Published February 23, 2024 at 5:53 am

Huge 20c temperature swing in southern Ontario today

The unseasonably warm temperatures we’ve enjoyed over the past couple of days will be gone in a frozen minute Friday, with wind gusts of up to 60 km/hr and windchills as cold as minus 24 C on tap tomorrow in southern Ontario.

Friday will start mild with fog patches, mainly cloudy skies and a few rain showers beginning near noon around the GTHA before the winds pick up and the temperature drops.

The wind will be from the northwest at 20 km/h gusting to 40 km/hr and then 50-60 km/hr by noon. The high for the day will be plus five, falling to minus seven in the afternoon in Mississauga, Brampton, Milton and Halton Hills with an afternoon windchill of -16.

Burlington, Oakville and Hamilton residents will enjoy a marginally warmer day, with afternoon temperatures of -6 and windchills of -14.

Residents of Durham Region will see a high of plus 5 in the morning with the mercury falling to minus 7 in the afternoon and a windchill of minus 16.

The winds will continue through the night with 30 km/hr breezes gusting to 50 km/hr across the region.

The wind chill will make it feel like minus 16 in the evening and minus 24 overnight in Peel and north Halton, while Burlington and Oakville will get wind chills of minus 14 in the evening and -22 overnight.

Residents from Pickering to Clarington will experience similar wind chills as Mississauga, with it feeling like minus 16 in the evening and a bone-chilling -24 overnight.

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