Prompts winter weather advisories as cold air moves in Friday night

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Cover up those tender plants up north this weekend. Frost is likely across much of northern Minnesota. 

Our chilly inbound Canadian air mass will yield low temperatures in the low 40s in southern Minnesota, with lower 30s up north this weekend. 

Frost advisories are posted for most of northern Minnesota. The advisory zone runs basically north of a line from Fargo, N.D., to Duluth. 

 zone for the Red River Valley and northwestern Minnesota.

Frost is quite common in northern Minnesota even in late May. The average date for the last 32-degree temperature in spring in Ely, Minn., is May 26! Frost is common into June in much of northeastern Minnesota. 

So when is it typically safe to plant in northern Minnesota? The dates for 90 percent chances of getting past the last frost of spring run into well June across northeastern Minnesota!

That’s why many of us have woken up to frost (and even snow) on the tent in the Boundary Waters in late May and early June.

Highs will hover in the 40s north Saturday with chilly 50s south. Highs Sunday will return to around 60 degrees in southern Minnesota with 50s up north. 

Next week starts seasonably cool with highs in the 60s across most of Minnesota. But milder southerly breezes will return to Minnesota late next week. Highs likely reach the 70s again across most of southern Minnesota by next Thursday. 

The early look for Memorial Day weekend favors highs in the 70s to possibly 80, with a mix of sun and a few scattered storms possible.

Weather and Climate News

Updraft® - Minnesota Weather News

Paul Huttner

Author

Frosty mornings this weekend across northern Minnesota. 

Frost advisories up north; 70s return late next week

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