Wintry mix spreads across Minnesota

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Another summer week. Another risk of severe storms for Minnesota.

A cold front sweeping through the Upper Midwest through Tuesday will spawn bands of strong to severe thunderstorms. The risk for severe storms favors northern Minnesota through Monday night. Storms rumbling across northern Minnesota will likely pack damaging winds and hail.

 has upped the ante this time with an enhanced risk for severe weather through Monday night across northwest Minnesota. A slight risk zone extends as far east as Duluth and the Twin Cities.

The frontal system will likely spawn two separate storm waves through Tuesday. The first wave rolls across northern Minnesota through Monday night. Severe weather is most likely across the northern half of Minnesota. The storm front may fade a bit as it approaches the Twin Cities area in the hours surrounding midnight. 

Here’s NOAA’s NAM 3 km resolution model between 4 p.m. and 4 a.m.

The Grand Forks, N.D., National Weather Service office has updated the severe weather threat for northwest Minnesota through Monday night.

Here’s the assessment from the Duluth NWS office as the storms move east Monday night.

A second wave of storms will likely fire along the frontal boundary Tuesday morning. That wave could hit the Twin Cities Tuesday morning, with scattered storms possibly lingering through the day.

NOAA’s NAM 3 km resolution model suggests a band of storms developing mid-morning near the Twin Cities, with lingering cells into Tuesday evening.

Storms will be moving slowly enough to dump excessive rainfall in some areas through Tuesday. The risk of flash flooding is there.

The Canadian model suggests a band of 1-inch to 2-plus inch rainfall across southern Minnesota Tuesday.

Stay aware for more severe weather watches and warnings through Tuesday.

Weather and Climate News

Updraft® - Minnesota Weather News

Paul Huttner

Author

Severe weather is likely in northern Minnesota Monday night. Two storm waves likely for the Twin Cities.

NOAA

NOAA NAM 3 km model 4 pm Monday through 4 am Tuesday

NOAA via tropical tidbits

Grand Forks NWS Office

Duluth National Weather Service

NOAA NAM 3 km model 10 am to 7 pm Tuesday

Excessive rainfall and flash flood risk areas

Severe risk: Severe storms ahead into Tuesday

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