From freezing to 80s in five days

Big temperature swings ahead for Minnesota.

Frost and freeze advisories
Frost and freeze advisories
Duluth National Weather Service

It’s another frigid night and morning Friday from northeast Minnesota into Wisconsin.

Freeze warnings cover much of northeast Minnesota and northern Wisconsin into Friday morning.

Including the cities of International Falls, Ely, Isabella, Bigfork, Hibbing, and Grand Rapids

308 PM CDT Thu Sep 17 2020

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT FRIDAY...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...Koochiching, North St. Louis, Northern Cook and Lake, North Itasca, Central St. Louis and South Itasca Counties. This includes the Tribal Lands of the Bois Forte Band, Deer Creek, Nett Lake and, Lake Vermillion areas.

* WHEN...From midnight tonight to 9 AM CDT Friday.

* IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Frost advisories ring the freeze zone.

Including the cities of Two Harbors, Silver Bay, Grand Marais, Hill City, Duluth, Superior, Washburn, Bayfield, Spooner, and Hayward

308 PM CDT Thu Sep 17 2020

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT FRIDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...In Wisconsin, Douglas, Bayfield, Washburn and Sawyer Counties. In Minnesota, Southern Lake, Southern Cook, Northern Aitkin and Carlton and South St. Louis Counties. This includes the Tribal Lands of the Red Cliff Band, the Grand Portage Reservation, the Fond du Lac Band and the Mille Lacs Band, Big Sandy Lake area.

* WHEN...From midnight tonight to 9 AM CDT Friday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered.

Hibbing and Tower dipped to 24 degrees Thursday morning. Temperatures will dive into the 20s and 30s again over a large area of northeast Minnesota and Wisconsin Friday morning. The Twin Cities area escapes an early frost once again with lows in the lower 40s.

Forecast low temperatures Friday morning
Forecast low temperatures Friday morning
NOAA

Weekend warming trend

Temperatures begin to moderate this weekend. Saturday brings highs int he upper 60s to most areas. Sunday brings a return to 70-degree readings across most of Minnesota.

Forecast high temperatures Sunday
Forecast high temperatures Sunday
NOAA

Late summerlike pattern next week

The upper air maps still favor a warming trend next week.

Upper air forecast map for 7 pm September 25
Upper air forecast map for 7 pm September 25
NOAA

Highs in the 80s return to much of Minnesota by Tuesday, with 70s up north.

Forecast high temperatures Tuesday
Forecast high temperatures Tuesday
NOAA

Enjoy the warmup.

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