July 21, 2014 2:06 pm
Updated: July 22, 2014 9:33 am

Hot, humid & stormy start to the week

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What a hot weekend! This week we’ll start right where we left off.

Yesterday, Manitoba was home to the hottest place in the country. Gretna registered a high of 32.8° to take the country’s top spot and Winnipeg peaked at 30.8°. Both however felt very similar registering humidex values of 38 in the afternoon.

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Today, Northwestern Ontario will be the focus of the most extreme weather on the Canadian side of the boder. Heat advisories have been issued from Fort Frances to Thunder Bay as humidex values will approach 40 this afternoon. This isn’t the only time the area will put up big numbers. A storm is on the way. A special weather statement has been issued by environment Canada saying 30-40mm is possible overnight with higher amounts locally as the system tracks towards James Bay.

Manitoba will be on the periphery of the system that will be tracking through North Dakota & northwestern Minnesota. These areas have the best potential for severe weather. Tornadoes activity is possible, damaging winds are very likely. If you are heading south of the border late Monday, it would be advisable to check the local forecasts.

Future rainfall

As this rainfall model illustrates, the areas that could experience severe conditions in our province would be near the southern border. Strong winds and large hail would be possible with the heavy rainfall. At the moment, the highest accumulations for our province could be up to 30mm; however, with severe weather local amounts could be higher. Rainfall accumulations fall off significantly as you move further North. Winnipeg will likely get showers, no heavy rain.

The rest of the week is relatively uneventful. No more extreme heat, no unseasonably cool days. Right around normal. Even the winds are unlikely to get your attention.

The end of the week is the next time we could see more significant rain in southern Manitoba. Thursday/Friday is the next time we could start to see some storm activity. Until then, most of the week will be right around average.

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