A “backdoor cold front” on Monday morning passed through northwest Montana, with heavy snow expected along the Continental Divide while an “arctic intrusion” will likely bring falling temperatures, gusty winds and hazardous travel conditions over the Thanksgiving holiday.

Defined as a cold front moving south or southwest along the Atlantic seaboard and Great Lakes, National Weather Service (NWS) meteorologist Brian Conlan said the backdoor cold front will “enhance snow along the Continental Divide” tonight. Marias Pass on U.S. Highway 2 could see close to a foot of snow by tomorrow morning.

The NWS on Monday issued a winter weather advisory for the East Glacier Park region and the southern Rocky Mountain Front, with up to 10 inches falling tonight in the area’s highest peaks.

Since Sund

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