Toronto, GTA braces for up to 40 mm of rain with Texas low on the way

A high of 18 degrees expected Wednesday before some rain moves in to soak the GTA. Meteorologist Natasha Ramsahai has your seven-day forecast.

The summer-like temperatures and sunny skies from early this week will be paused as a Texas low will bring a super-soaker event to southern Ontario, with upwards of 40 millimetres of rain expected in Toronto.

The low-pressure weather event will reach southern Ontario by Thursday morning, bringing soaking rains to the province through Friday.

Across much of southern Ontario, 30-50 mm of rain is expected, while northeastern Ontario regions like Timmins, Sudbury and Sault Ste. Marie can expect 50-75 mm. Equivalent amounts of high rainfall will be experienced in Windsor and London, Ont.

For Toronto, the rain is forecasted to start around 4 a.m. on Thursday and persist throughout the day. By approximately 8 p.m., the rain will get heavier, with 3 mm of rain an hour expected to fall by midnight.

Short-term forecast details

It will taper off by 2 a.m. on Friday, with temperatures expected to drop slightly to around 8 C on Friday morning and a forecasted daytime high of 9 C. There is also a chance for thunderstorms in some GTA regions, bringing the risk of localized flooding to some of the hardest-hit areas.

For now, try to get out and enjoy what Wednesday has to offer, weather-wise. By the afternoon, the sun will break through the clouds, and Toronto’s daytime high will be 16 C.

Click here to view your extended forecast and sign up for the 680 News Radio Toronto weather guarantee.

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