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CTV News Winnipeg Skywatch Weather Blog - Tuesday, June 30, 2020
After Sunday's storms, southwestern Manitoba is in for another round of severe weather today. A low pressure system moving into Canada from North Dakota already brought severe thunderstorms to the southwest corner late this morning and this afternoon.
Those severe storms continue to move around the southwest with most regions under a severe thunderstorm warning or watch.
The main threats today appear to be strong wind gusts in excess of 100 km/h at times, damaging hail, torrential rain, even an isolated tornado.
But unlike Sunday's storms, the cold front with today's system will push east this evening and and is expected to trigger thunderstorms tonight in the southeast, including in Winnipeg late tonight and overnight. There is the possibility they could becoming severe.
Heat warnings continue for Winnipeg, most of the south and east-central regions of Manitoba and all of northwestern Ontario. The passage of the 'cold' front will bring slight relief from the extreme heat on Canada Day on Wednesday in the south with highs in the upper 20s. The more extreme heat and humidity return by Thursday with highs in the low 30s and humidex values in the low 40s.