How cold was it this morning? As low as 45 below in northern Minnesota

Frost forms on a window as temperatures dip below zero.
Frost forms on a window as temperatures dip below zero in December 2017.
Euan Kerr | MPR News 2017

Temperatures in parts of northern Minnesota dropped into the 40s below zero on Sunday morning — the second straight morning of bitterly cold conditions.

The National Weather Service received a report of 45 below zero at Sea Gull Lake along the Gunflint Trail.

Other low temperatures included 44 below at Ash Lake in northern St. Louis County; and 42 below at Babbitt, Crane Lake and Celina.

The lowest wind chill observed was 55 below zero at Ely, with 52 below near Margie and 49 below at Bigfork and the Grand Marais airport.

Other Sunday morning low temperatures — air temperature, not counting the wind — reported by the National Weather Service included:

  1. 41 below — Kabetogama

  2. 40 below — Orr, Effie, Gunflint Lake

  3. 38 below — Ely, Birchdale, Bigfork

  4. 37 below — Littlefork, Cook, Margie

  5. 35 below — Cotton, Hibbing, International Falls, Baudette

  6. 34 below — Makinen

  7. 33 below — Northome

  8. 32 below — Hill City, Cass Lake

  9. 31 below — Walker, Bemidji

  10. 29 below — Aitkin, Grand Rapids, Grand Marais airport, Roseau

  11. 23 below — Brainerd

  12. 20 below — Duluth airport, Staples

  13. 9 below — St. Cloud, Alexandria, Fairmont, Cambridge, Princeton

  14. 8 below — Mankato, Redwood Falls, Willmar

  15. 4 below — Minneapolis-St. Paul International Airport

    Wind chill advisories and warnings remain in effect through noon for about the northern half of the state.

    Find forecast updates on MPR Weather's Updraft blog.

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