Lots of types of weather becoming big stories in the Upper Midwest this weekend. The main one will be the threat of severe storms Saturday and Sunday with a warm front/cold front combination. Satrudays threat will be with the warm front in Wisconsin, Northern Iowa and Minnesota. Sunday the severe weather threat will rake across Minnesota, Northern Iowa and Wisconsin again before ending. Heavy rainfall is a possibility especially places in Minnesota that do not need the heavy rainfall. Sunday will likely be the hottest day of the year for many locations as mid 90s are likely across much of Southern Minnesota, Iowa and Wisconsin south of a warm front. High dewpoints will lead to 100+ value heat indexs.
Saturdays Severe Weather Threat
Locally we will be in some of the brunt of the multiple weather stories expected for the long holiday weekend. First a warm front that will bring very hot weather Sunday will be working through will bring thunderstorms in the early part of Saturday. Some of these storms could be severe mainly with strong winds and heavy rain. The threat for rain will decrease after 2pm then rest of Saturday will be cloudy and humid with highs in the 70s and lows remaining near 70.
Very Hot Sunday 95.F temps 100+ heat index values!
Sunday a very hot and humid airmass will be in place. Under sunny skies with strong south winds gusting to 35MPH high temperatures will reach the their warmest levels of the season hitting the middle 90s. It is possible some spots may reach the upper 90s especially in cities and general hot spots. With temps expected to be this high with dewpoints very rich and sticky in the mid 60s to near 70 will cause heat index values to raise to near 100.F or higher. Heat realated stress can occur with tempetures this high. Residents should remember to stay cool in these types of conditions
Sundays Severe Weather Threat
Sunday has the highest threat of seeing severe storms as a cold front plows into the hot humid airmass that will be in place. Thunderstorms are expected to break out across Southwestern Minnesota and moved east across the entire southern part of the state, likely reaching our area near dusk or after dark. Damaging winds, tornadoes, large hail and Torrential downpours will all be a possibility with these storms. Rainfall ammounts for the weekend total could exceed 1.50" in some areas. Satruday and Sunday will be both days to keep a weather radio handy. Monday after a threat of showers and thunderstorms early it will begin to calm down weather wise and cool off Highs will be in the upper 70s Monday with lows in the mid 50s, by Tuesday we can expect sunny breezy cool conditions with highs in the 60s and lows slipping into the upper 40s.
Saturday, Humid, Showers and thunderstorms in the morning. Some could be severe and produce heavy rain. Highs in the upper 70s. Saturday Night, Cloudy and humid with lows in the low 70s
Sunday, Hot and very humid! Sunny with highs in the middle to upper 90s. Heat Index Values around 100. South winds gusting to 35MPH. Sunday Night Thunderstorms, Some could be severe and produce torrential downpours. Lows in the upper 60s.
Monday, A chance of showers and thunderstorms early then partly cloudy with highs in the upper 70s. Monday Night, Clear skies lows in the low 50s.
Tuesday, Cool and breezy. Sunny with highs in the upper 60s. Winds gusting to 35MPH Tuesday Night, Clear skies and chilly, lows in the upper 40s.
Looking Ahead
The weather looks drier and more seasonable for the middle part of this week. It looks typical for early June with dry sunny weather and highs in the 70s. Heat and humidity slowly increase until it becomes very hot by Monday the 4th of June ahead of a cold front that brings a chance of thunderstorms by Wednesday June 6th. After the a frontal system separating summer heat and cooler temps remain over the area meaning that there will be several chances and thunderstorms from the 7th through the 10th. and temps will be up and down with some days being hot humid and stormy while others will be cooler and more seasonable and rather cloudy. There could be several threats of severe storms and heavy rains during this time as well. We stay in the pattern through the 11th of June.
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