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Ontario: Climbing temperatures will be accompanied by severe storm threat

Monday, June 1st 2020, 8:02 am - Temperatures continue to recover Tuesday, but accompanied by the return of thunderstorm risk.

Temperatures are still on the up in southern Ontario, though the good vibes will be marred somewhat by showers and storm risk Tuesday and Wednesday, with some severe potential. Details and timing, below.


WEATHER HIGHLIGHTS:

  • Active storm track locks into southern Ontario
  • Next thunderstorm threat late Tuesday afternoon
  • Temperatures continue to climb through week
  • Keep on top of active weather ALERTS here.

TUESDAY: LATE-AFTERNOON/EVENING THUNDERSTORM RISKS

Most of Tuesday will be quite enjoyable in the south and it isn't until late afternoon when the threat of thunderstorms enters the picture. Depending on location in the south, the timing will vary.

Grey-Bruce, Huron-Perth and areas from London to Kitchener will see a risk of severe thunderstorms late afternoon and early evening hours. As of now, the GTA is expected to see non-severe storms move through during this time period.

ONrisk

For southwestern Ontario, mainly in Windsor, the threat will mostly take place in the late evening through the overnight hours as storms push in along a front from the U.S. These storms may also become severe. The main threats from the stronger thunderstorms are heavy rain, large hail and strong winds.

Tuesday will see temperatures climb again, ahead of the cold front. Southwestern Ontario will approach the 30-degree mark while much of the south will see highs in the low- to mid-20s. Cooler temperatures near the lakeshores.

ONTuesTemp

WEDNESDAY AND BEYOND: SECOND ROUND OF STORMS

Southwestern Ontario will see the storms continue through early Wednesday morning before clearing. Showers will linger in cottage country, parts of eastern areas, but the GTA and Niagara region will be dry by the afternoon.

A cold front will track through the region Friday night with a risk for thunderstorms, followed by cooler weather and low humidity for the weekend. A cool start to next week, but we are watching the potential for a couple days of very warm to hot weather mid and late next week.

Check back as we continue to monitor the forecast.

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