Manitoba weather: Chance of thunderstorms
After a hot start to the month of July, be prepared for even hotter, humid conditions in southern Manitoba and northwestern Ontario on Thursday and Friday.
Environment and Climate Change Canada (ECCC) has continued heat warnings for both regions Thursday.
The weather agency said a hot and humid air mass will move into southern Manitoba on Thursday, with the most humid conditions expected by Friday.
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Rainbow
Rainbow over Altbergthal, Manitoba
(Photo by Jennifer Klassen)
Stormy Sky
Stormy sky Near Elm Creek
(Photo by Tina Doell)
Somerset storm
Somerset storm
(Photo by Amber Hacault)
Mother Nature's own fireworks for Canada Day
Mother Nature provided some spectacular fireworks for Canada Day!
(Photo by Kat Hedges)
That means hot highs in the low 30s Thursday with humidex values that will feel anywhere from 35 to 40 by late afternoon. Hit the repeat button for Friday.
Between the two days, showers or thunderstorms are possible overnight Thursday into Friday, primarily in the southeast, including Winnipeg.
This will be a short-lived blast of extreme heat. A cold front is set to cross the province on Friday night that will bring cooler air behind it, relatively speaking, by Saturday.
Expect a not-so-sunny weekend in Winnipeg and surrounding regions, with temperatures in the mid-20s.
Elsewhere, ECCC issued a severe thunderstorm watch Thursday afternoon for northwestern Manitoba. Thunderstorms could develop in the region that will have the potential to become severe, courtesy of a low pressure system over Saskatchewan.
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Canada Day thunderstorm
Lightning near the Manitoba Legislative Building on July 1, 2025. (Submitted: Kat Hedges)
Canada Day thunderstorm
Clouds near Elm Creek, Man., on July 1, 2025. (Submitted: Tina Doell)
Canada Day thunderstorm
Clouds in St. Malo, Man., on July 1, 2025. (Submitted: Allysha Burns)
Canada Day thunderstorm
Clouds in Portage la Prairie, Man., on July 1, 2025. (Submitted: Dyann McKay)
Canada Day thunderstorm
Looking west in Niverville, Man., at approximately 10:40 p.m. on July 1, 2025. (Submitted: Curtis Lee)
Canada Day thunderstorm
Lightning in the Bridgewater neighborhood of Winnipeg on July 1, 2025. (Submitted: Bradley Anderson)
Canada Day thunderstorm
Clouds at Clearwater Lake, Man., on July 1, 2025. (Submitted: Brad Moorehead)
Canada Day thunderstorm
Clouds in Deerwood, Man., on July 1, 2025. (Submitted: Jeanette Greaves)
Canada Day thunderstorm
A rainbow sighted near Douglas, Man., on July 1, 2025. (Submitted: Brad Moorehead)
Canada Day thunderstorm
Clouds in Notre Dame de Lourdes, Man., on July 1, 2025. (Submitted: Diane Simon)
Canada Day thunderstorm
Lightning seen at the Princess Auto Stadium during a Canada Day celebration on July 1, 2025. (Submitted: Kevin Yaschyshyn)
Canada Day thunderstorm
Clouds in Somerset, Man., on July 1, 2025. (Submitted: Amber Hacault)
Canada Day thunderstorm
Clouds in Elm Creek, Man., on July 1, 2025. (Submitted: Natalie Stangl)
Canada Day thunderstorm
Clouds in Stony Mountain, Man., on July 1, 2025. (Submitted: Stephan Sawchuk)
The weather agency said the thunderstorm threat will lessen Thursday evening.
The same regions and Tadoule Lake further east are also under an air quality alert due to wildfire smoke, issued by ECCC.
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