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Updraft®
Paul Huttner

Temp roller coaster continues; heavy snow up north

Snow systems target northern Minnesota this week

Temperatures Tuesday afternoon
Temperatures Tuesday afternoon.
Oklahoma Mesonet

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Our temperature roller coaster continues this week.

Temperatures surged into the 30s and even 40s in southern Minnesota Tuesday afternoon as a warm front blew in. You can see on the maps above how southern Minnesota rides the top edge of an unseasonably warm air mass that extends all the way south to Texas.

But a cold front blows in again Wednesday, and temperatures will hold steady or slowly fall through the 20s once again on gusty northwest winds.

Forecast high temperatures Wednesday
Forecast high temperatures Wednesday.
National Oceanic and Atmospheric Administration

Temperatures bottom out Thursday, with highs in the single digits and teens across Minnesota.

Forecast high temperatures Thursday
Forecast high temperatures Thursday.
NOAA

But check out Friday, another warm front.

Forecast high temperatures Friday
Forecast high temperatures Friday.
NOAA

And Sunday looks like the warmest day in the next week. We could hit 40 in the Twin Cities.

Forecast high temperatures Friday
Forecast high temperatures Friday.
NOAA

Snow up north

Southeast winds across Lake Superior are cranking up some lake-effect snow along the upper North Shore. Winter weather advisories include the area around Grand Marais into early Friday.

Including the city of Grand Marais

321 PM CST Tue Feb 15 2022

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of 1 to 4 inches.

* WHERE...Southern Cook County. This includes the Tribal Lands of the Grand Portage Reservation.

* WHEN...Until 3 AM CST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute.

Bigger system Friday

A more potent clipper system sweeps across northern Minnesota Friday. The National Oceanic and Atmospheric Administration’s Global Forecast System model tracks the low and snow shield through northern Minnesota Friday:

NOAA GFS model Friday
NOAA GFS model Friday.
NOAA, via tropical tidbits

The Canadian model Kuchera snowfall output is among others cranking out some impressive snowfall totals between about 4 and 8 inches up north Friday.

Canadian model snowfall output
Canadian model snowfall output Friday.
Environment Canada via pivotal weather

So get ready for another shot of potentially plowable snow up north Friday.