Winter Storm Warning 01/02/2025 19:01 for Montana areas

* WHAT...For the Winter Weather Advisory, light snow expected. Likelihood of minor impacts from snow is greater than 60 percent. Total snow accumulations up to one inch. For the Winter Storm Warning, heavy snow and blowing snow expected. Likelihood of major impacts from snow is greater than 70 percent. Total snow accumulations between 8 and 12 inches. * WHERE...Marias Pass, Polebridge, Highway 83 Bigfork to Swan Lake, Essex, and Bad Rock Canyon. * WHEN...For the Winter Weather Advisory, until 5 AM MST Friday. For the Winter Storm Warning, from 5 AM Friday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...For the advisory, black ice will be a concern as cold, arctic air moves in, and there could be very light mixed precipitation, and freezing fog between West Glacier and Marias Pass through early Friday morning. Snow rates will intensify along with the strong east winds gusting to 40 mph during the day Friday which will cause blowing snow, and reduce visibility down to one quarter miles at times. Wind chill temperatures as low as 20 below zero at Marias Pass on Friday.