From hot to cool this week; highs set to drop into 50s, 60s
Spotty shower, thunder chances late Monday
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Highs will be in the 70s north, 80s south Monday and Tuesday followed by our first real, sustained cool weather. Highs will be in the 50s north and 60s south by mid to late week with chilly overnights.
From summer to fall this week
We’ll have a couple of very warm days to start the week. A few thunderstorms are possible Monday afternoon in northern Minnesota.
The chance moves to southern Minnesota Monday night where there could be an isolated thundershower or two.
Dew points will be in the ‘sticky’ 60s again Tuesday too after a comfortable day Monday.
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Tuesday will be our last steamy summer day with highs in the mid to upper 80s across southern Minnesota.
Our first real and prolonged blast of cool weather comes just in time for the autumnal equinox. Highs will be in the 50s north, and 60s south Wednesday into the weekend.
Long stretch of warmth ends
We’ll finally see our high temperature drop below the 70 degree mark Wednesday. This will end the longest streak on record of consecutive days at 70 degrees or more. May 26 was the last time the Twin Cities saw a high temperature cooler than 70.
The streak of 118 consecutive days beats the previous record of 108 days set in 2018. Here are the top four:
118 days, 2022 (assuming Wednesday is below 70)
108 days, 2018
103 days, 1988
101 days, 2005
The normal value is about 60 days, up from the historic average of 48 days thanks to climate change. This is yet another measure of our changing climate; longer summers and warm stretches in addition to overall warmer temperatures.
Hurricane Fiona
Hurricane Fiona continues to batter Puerto Rico with heavy rain. The Dominican Republican was also deluged overnight. In addition to high wind gusts, Fiona has dumped more than 20 inches of rain on parts of Puerto Rico.
Hurricane Fiona will continue to make a hard right turn north into the Atlantic. Hurricane warnings are posted for the Turks and Caicos islands, which could take a direct hit early Tuesday.
