Wintry mix spreads across Minnesota

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The steamy summer of 2023 keeps on giving. 

Another record-setting heat wave looks increasingly likely as we move through the Labor Day weekend in Minnesota. A hot dome of high pressure aloft will build over the Upper Midwest this weekend. 

The National Oceanic and Atmospheric Administration’s Global Forecast System model shows the upper-level ridge setting up overhead this weekend. The warm colors aloft translate into areas where above-average temperatures are likely at ground level. 

Temperatures will be pleasant through midweek across our region. Highs Wednesday will be in the pleasantly mild 70s and 80s across Minnesota. 

The heat builds in by next weekend. Highs on Saturday will push well into the 90s across our region.

Sunday likely brings the hottest day of the weekend heat wave. Some forecast models suggest temperatures could reach 100 degrees in parts of southwestern Minnesota on Sunday afternoon. 

NOAA’s digital forecast database cranks out 98 degrees for the Twin Cities area Sunday afternoon. 

If we get to 98 degrees Sunday afternoon it would break the record of 97 degrees set way back in 1925. Here are the record highs for the Twin Cities for the Labor Day weekend period:

Right now some of the forecast models I’m looking at suggest dew points and potential heat index values may be lower for the first days of this heat wave.

Expect heat advisories and possibly excessive heat warnings for the Labor Day weekend. 

Weather and Climate News

Updraft® - Minnesota Weather News

Paul Huttner

Author

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