Extreme heat which is becoming the fairly common wording in Upper Midwestern forecasts this summer is heading back to the region to end out this week and to start off next week. Record heat is possible with Highs approaching or hitting 100.F is expected to be widespread across South Dakota, Southern Minnesota, Iowa, Illinois and Southern Wisconsin, which is a rarity in areas this far north. Scattered thunderstorms are possible near the cold front as it moves south on Tuesday and Wednesday.
Local and Metro views.We can expect a very hot and dry ending to the weekend and to start off the next work week as an extremely hot air mass in the west slides in from the west Sunday. For the next 3 days high temperatures will be above 90.F. Sunday in our local area will feature sunny skies and it will be humid. High temperatures will be in the low to middle 90s with heat index values in the middle to upper 90s. Lows will be in the middle to upper 70s
Short lived Extreme Heat Expected Monday/Tuesday
The heat really peaks off Monday and Tuesday in our local area as the very hot and humid air mass settles into our region. This will be the type of airmass where airmass makes little difference on how it feels becuase heat index values will be between 99 and 110.F during the day and barely got below 80.F at night. Air temperatures under sunny skies temperatures will soar well into the 90s with widespread upper 90s likely and a few isolated areas/hot spots hitting 100.F Areas with the best chance of hitting 100.F will be river valley cities like Red Wing and Winona as well as the urban and Downtown areas of Rochester. Tuesday may be slightly cooler but highs will still be around 95, nearing 100.F Lows both nights will be 75 to 80.F. This extreme heat will be a short lived but it should still be taken seriously becuase heat of this magnitude can be dangerous.
Small threat for rain Tuesday
Tuesday night a cold front will slide across the region producing the chance for scattered thunderstorms in our local area. This chance at rainfall is not extremely high at this time and not all areas will get wet. Amounts will range to around 0.25" with possible higher amounts. Temps will cool off only slightly behind this front as skies become sunny again and things dry out, highs will be around 85.F
Sunday, Very Hot! and very humid. Heat index values approaching 100.F Sunny skies. Highs in the lower 90s to mid 90s urban Rochester. Sunday Night, Clear skies, lows in the middle 70s.
Monday, Extreme Heat! and humid. Heat index values approaching 110.F Sunny skies with southwesterly winds around 25MPH. Highs in the upper 90s to lower 100s. Monday Night, Clear skies lows in the mid to upper 70s.
Tuesday, Extreme Heat! and humid. A chance for thunderstorms late. Heat index values approaching 105.F Sunny skies with highs in the mid to upper 90s. Tuesday Night, a chance of thunderstorms, otherwise partly cloudy with lows in the upper 60s to lower 70s.
Wednesday, Sunny and very warm. Highs in the mid to upper 80s. Wednesday Night, partly cloudy lows in the mid to upper 60s.
Thursday, Sunny and very warm. Highs in the upper 80s. Thursday Night, clear skies, lows near 70.F
Looking Ahead
It doesn't stay "cool" for long if you can call it cool. Already by next weekend we will be dealing with highs back into the lower to middle 90s Friday and again late Saturday into Sunday may offer a chance for rain for us. Then Tuesday July 24th the model brings in a fairly strong cold front bringing the chance for rain, possibly heavy? then cooling us down and drying us out for the weekend of July 27th After this date, heat builds back west once again. And the threat for rain every few days remains.
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