Prompts winter weather advisories as cold air moves in Friday night

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Our tropical air mass is already delivering on a model forecast of locally heavy rainfall this weekend. Thunderstorm clusters blew up in the heat of late aternoon around the greater Twin Cities and eastern Minnesota into Wisconsin. 

The slowly moving cells dumped a quick couple inches of rain in parts of our area, causing a local flash flood warning to be issued.

The highest wind reports came in from southeast of the Twin Cities around Hastings, Ellsworth, Wis., and Durand, Wis. Trees are reported down in those areas. 

Here are some select storms reports form late Friday.

It won’t rain all the time this weekend, but expect a few waves of storms with the potential for high winds, hail and torrential rainfall.

The National Oceanic and Atmospheric Administration’s Rapid Refresh Forecast System model is typical of many that bring another wave of strong storms across Minnesota overnight into early Saturday morning. The forecast model loop below runs between 5 and 10 a.m. Saturday. 

Our tropical air mass means storms are capable of multi-inch rainfall in just a short time. There’s a severe weather and and excessive rainfall risk again Saturday. (See the map at the top.)

Highs will be in the steamy 80s between storm waves. It’s a monsoonal summer weekend in Minnesota.

Weather and Climate News

Updraft® - Minnesota Weather News

Paul Huttner

Author

A tropical air mass will be capable of torrential downpours this weekend. 

Stormy Friday night; more occasional storms this weekend

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