snow winter weather polar vortex cold ice

BUTTE - The National Weather Service says it's a historic arctic blast for the Mining City.

NWS Missoula staff say that on Sunday, March 3, the low sank to -26 at Bert Mooney Airport.

It's a record cold for March 3 - the previous record was -25 in 1976, and also the fifth coldest low for the month of March.

Monday, March 4 came in even colder, with the low in Butte recorded as -30. The previous day record was -25 on March 4, 1989.

Kalispell also saw a record low of -21 on Monday, beating a 1966 day record of -16.

NWS records date back to 1894.

(Story updated with new NOAA official records.)

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