Hot Weather gradually ends on wet and unsettled note

Much of southern Manitoba has been seeing thunderstorms occur the past 2 nights in areas of southwestern Manitoba with the cool and cloudy conditions in place, with the majority of the heat and humidity off in southeastern Manitoba. Also there has been some wild temperature swings over the past 2 days, with temperatures in the mid to high teens and low 20’s in the southwest to mid to high 20’s and low 30’s in the southeast. Read on to find out how long the heat will hold on in southeastern Manitoba, and when we can expect thunderstorms to move in as well.

(Above: Rainfall totals for Friday-Sunday. Upwards of 75-100mm is possible in the southwest with 50-75mm possible in the southeast). Thursday: Sunny skies are expected during the morning in the southeast corner of the region, thunderstorms will  be ongoing in the morning for areas of central Manitoba as well as the interlakes region before they clear by near noon. Cloudy skies are likely in much of the southwest part of the province with a chance for showers, sunny weather likely in the southeastern half of the province. Heading into the afternoon there will be a risk for thunderstorms mainly in the western, central Red river valley, interlakes and eastern Manitoba as a stationary front sits over the region. There will be a risk for severe weather as well, mainly large hail and damaging winds. Temperatures for the day on Thursday will sit in the mid to high teens in southwestern Manitoba with a sharp temperature contrast as you head east into southeastern sections , once you get to pilot mound, northeast to st Claude and into the interlakes and Victoria beach east to bissett and the MB border south to the American border temperatures, will sit in the high 20’s to the low 30’s. Winnipeg: Sunny, then partly cloudy with 30% chance of showers and risk of thunderstorms. High 29C. Portage La Prairie: Partly cloudy, 30% chance of showers in the evening with risk of a thunderstorm.  High 21C. Brandon: Cloudy, with 30% chance of showers, risk of a thunderstorm high 17C. Dauphin: Cloudy with 30% chance of showers high 14C. 

Thursday Night: Heading into Thursday night a large portion of southern Manitoba, will be under cloudy skies except for the red river valley and southeast Manitoba as a trough of low pressure sits over southwestern Manitoba. There will be a risk for thunderstorms in the southeastern half of Manitoba in the evening. Some showers will drift into the region overnight in southwestern sections with a chance of weak thunderstorms in the southwest, however the bulk of the rain will be coming in during Friday. Temperatures overnight into Friday will drop into the mid to high teens for a majority of the region (14 to 18C), with the exceptions of parts of the southwest and the parklands dropping into the low to mid teens (12 to 14C). Winnipeg: Partly cloudy, 30% chance of showers in the evening with risk of a thunderstorm. Low 17C. Portage La Prairie: Partly cloudy: 30% chance of showers in the evening with risk of a thunderstorm low 15C. Brandon: Mainly cloudy, 60% chance of showers with the risk of a thunderstorm.  High 19C. 

Friday: Will end up being one of the more unsettled days weather wise , a cold front and trough will be exiting the province by evening. Behind this front a large area of showers and thunderstorms will blossom in North Dakota during the afternoon hours, this will eventually end up spreading northwards into southern sections of Manitoba and southeast Manitoba. Timing and amounts are still uncertain, however it looks as though there may be a batch of showers moving through in the morning and early afternoon before another line of showers and thunderstorms moves into the area during the late afternoon. Rainfall Amounts will likely end up being anywhere between 25 to 75mm of rain. There is a possibility that some of the storms may reach severe limits, especially in the Red River valley and southeastern Manitoba. Large hail , and damaging winds will be the risk.  Winnipeg: Cloudy, with 60% chance of showers and thunderstorms, risk of a severe thunderstorm. High 23C. Portage La Prairie: Cloudy with 60% chance of showers or thunderstorms and risk of a severe thunderstorm. High 18C. Brandon: Cloudy, periods of rain beginning in the afternoon. High 14C. Dauphin: Cloudy , periods of rain beginning in the afternoon. High 12C. Friday Night a majority of the showers and thunderstorms will occur during thi time. Some may be severe only in the southeast though, storms that developed will weaken or leave the province in the late evening, showers should persist into the overnight period for the southeast, Red River valley and interlake regions. Temperatures will drop significantly for a large amount of the area, instead of low 20C overnight lows we will be seeing low teens (10 to 14C) with some areas getting as cold as 10C. Winnupeg: Cloudy with 60% percent chance of showers or thunderstorms in the evening. Risk of a severe thunderstorm. Then mainly cloudy with 60% chance of showers late in the evening and overnight. Low 11C. Portage La Prairie: Cloudy with 60% chance of showers or thunderstorms, risk of a severe thunderstorm in the evening. Then mainly cloudy with 60% chance of showers. Low 12C. Brandon: Cloudy with 60% chance of showers and risk of thunderstorms. Low 10C. Dauphin: Cloudy with 60% chance of showers and risk of thunderstorms. Low 11C. 

The Weekend: Showers will persist into Saturday afternoon before clearing conditions take over, Sunday can expect another chance for showers and thunderstorms. Temperatures will remain in the mid to high 20’s for daytime highs and the lows in the low to mid teens.