Another wintry storm Friday

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 about our short-term forecast and the warmth that looks likely into the first week of September. 

A look at likely weather patterns further out suggests summerlike weather may linger for much of September this year. 

Jet stream patterns aloft control temperature patterns here on the ground. An intense high-pressure cell is bringing 90s to 100-degree heat to the western U.S. this week. 

That heat dome is forecast to nudge eastward next week toward Minnesota and the Upper Midwest.  

The National Oceanic and Atmospheric Administration six to 10-day outlook reflects that upper-air pattern and strongly favors much warmer-than-average temperatures pushing into Minnesota next week. 

There are signs we may get some relief after next week’s heat, but NOAA’s week three and four forecasts also lean slightly toward warmer than average temperatures.

And NOAA’s CFS2 climate forecast system (at the top of this post) favors temperatures between about 2 and 4 degrees warmer than average for the Upper Midwest and southern Canada for the entire month of September overall. 

So it looks likely we’ll see many days in the 80s and probably more 90s in September in Minnesota. And there is a better than 50-50 chance September will finish warmer than average overall.

Will Minnesota see a “second summer” in September this year?

Weather and Climate News

Updraft® - Minnesota Weather News

Paul Huttner

Author

Weather patterns seem to favor a warmer-than-average September for Minnesota this year. 

A 'second summer' ahead for Minnesota in September?

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