Mild second half of week ahead, chances for showers and thunderstorms

 Much of southern Manitoba has been finally able to experience cooler and more seasonal temperatures, as of late this summer has been unbearably hot and dry. As we continue the second half of the week, a zonal flow will be in place allowing for a chance for temperatures to remain seasonal, there is a chance for a low pressure system to impact our area Thursday into Friday. Find out how warm it will get, and details on the potential for showers and thunderstorms on Friday.

Wednesday: Beautiful weather is expected for the day , high pressure will move into southern Saskatchewan during the afternoon ahead of it a northwesterly wind can be expected with mainly sunny to partly cloudy skies. Temperatures for the day will soar into the high teens to low 20’s, (15-22C) there may be some areas that cool closer to (15-17) over the Manitoba lakes. Winnipeg: Partly Sunny, some clouds. high 22C. Brandon: Partly Sunny, some clouds high 23C. Dauphin: Sunny, high 22C. 

Wednesday Night: Clear then increasing clouds are likely by the overnight hours, a chance for showers are possible into the early morning hours in the interlakes and southeastern Manitoba. Temperatures will drop into the high single digits to the low teens in southern Manitoba (9 to 12C). Areas further north in the interlakes will see lows in the low to mid teens (10 to 14C). Winnipeg: Partly cloudy, then 30% chance of showers. Low 10C. Brandon: Partly cloudy, low 9C. Dauphin: Partly cloudy, low 11C. 

Thursday: We will end up on the backside of an area of high pressure, this will allow a southerly to southwesterly flow to take place. This may help boost our temperatures a bit, sunny skies are expected during the day with a mixture of clouds and sun expected in some areas. Temperatures will soar into the mid to high twenties for a majority of the region, (24 to 28C) some areas may get close to the 30C mark in southwestern Manitoba. No significant weather is forecast however. Winnipeg: Sunny, high 25C. Brandon: Sunny, high 26C. Dauphin: Sunny. High 27C. 

Thursday Night: Clear conditions are expected with some cloud cover. Overnight lows will drop into the low to mid teens, with the cooler side of the temperatures occuring in the southwest. Winnipeg: Clear, low 14C. Brandon: Clear, low 10C. Dauphin: Clear low 14C. 

Friday: A strong southerly flow will be in place, ahead of a cold front. Sunny skies are expected for the first half of the day before increasing clouds arrive by afternoon, with a sun and cloud mix. There will be increasing amounts of instability and a chance for showers and thunderstorms by the afternoon and evening. Most of the thunderstorms that form will be non severe, there is a small possibility that some of them may turn severe. However that chance is low. The best risk for thunderstorms is in the parklands region south through the interlakes , parts of the red river valley and eastern Manitoba. Temperatures will soar into the high 20’s, with near or a few degrees above 30C temperatures possible in sections along and south of the trans Canada highway (25 to 32C). The best areas for seeing over 30C extend from Winnipeg south to the American border in the pembina valley and the red river valley, and another area in the extreme southwest. Winnipeg: Sunny, then partly cloudy with 60% chance of showers with risk of thunderstorms late in the afternoon. High 30C. Brandon: Sunny, then partly cloudy with 60% chance of showers late in the afternoon with the risk of thunderstorms. High 29C. Dauphin: Sunny then partly cloudy with 60% chance of showers late in the afternoon, with the risk of thunderstorms. High 26C. 

Friday Night: There will be a continued chance for showers and the risk for thunderstorms, in the evening mainly non severe expected. Clearing skies will come into the region late in the evening and after midnight from west to east. Temperatures will drop drastically overnight with lows in the high single digits in the parklands and interlakes regions (7 to 10C), areas along and south of the transcanada highway north through Winnipeg and just north of stonewall east into eastern Manitoba may see lows in the low teens (10 to 14C). The exception being the Manitoba lakes where low temperatures will sit in the mid teens (15 to 17C), due to the warm lake water advecting or helping the air stay relatively warm. Take for instance Victoria Beach will drop to 15C, whereas areas around there will see colder weather. Winnipeg: Mainly cloudy , with 60% chance of showers through the evening with the risk of thunderstorms. Clearing near midnight. Low 13C. Brandon: Mainly cloudy, 60% chance of showers early in the evening with the risk of thunderstorms. Clearing in the evening.  Low 9C. Dauphin: Mainly cloudy with 60% chance of showers early in the evening with the risk of thunderstorms. Clearing in the evening. Low 8C. 

The weekend: Our low pressure system will be moving into Ontario behind it an approaching area of high pressure will build into our area, however there will be a good chance at cloudy skies, there will be a chance for showers during Saturday afternoon and some on Saturday evening. Cloudy but calmer weather is expected on Sunday. Temperatures will sit in the mid to high teens on Saturday and Sunday with lows in the low teens and high single digits Saturday night and Sunday night. More details on the weekend on Friday.