Prompts winter weather advisories as cold air moves in Friday night

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Welcome to day 21 of 90-degree heat in the Twin Cities and much of southern and western Minnesota. That’s the highest number of 

Temperatures pushed past 90 degrees once again Tuesday afternoon in many areas.

Our heat comes with a thick dose of tropical moisture straight from the Gulf of Mexico. The dew point at 2:38 p.m. in the Twin Cities surged to 72 degrees. Combined with a temperature of 91, that pushes our heat index to a stifling 98 degrees. 

A look at the dew point map nationally shows the plume of tropical moisture streaming north from the Gulf of Mexico. Few points as high as 77 degrees near the Iowa border are downright unbearable in 90-degree heat. 

 continues for the Twin Cities and much of southwest Minnesota until 9 p.m. Tuesday evening. An excessive heat watch remains in effect for Wednesday. 

It appears our prolonged 90-degree heat wave will break starting Thursday. Highs will fall back into the 80s across southern Minnesota with 70s in the northeast. Dew points will fall into the comfortable 40s and 50s through the upcoming weekend.

Free AC is on the way. Hang in there, Minnesota.

Weather and Climate News

Updraft® - Minnesota Weather News

Paul Huttner

Author

This is the hottest summer in nine years by the metric of 90-degree days.

NOAA/FAA

A photo from Bde Maka Ska on a hot, summery day.

Most 90-degree days in 9 years in the Twin Cities

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