...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 5 AM MST SATURDAY... * WHAT...Mixed precipitation expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to 4 inches generally above 4000 feet, locally up to 8 inches on Marias Pass. Ice accumulations around a light glaze. * WHERE...Bad Rock Canyon, Glacier National Park, Marias Pass, Essex, Highway 83 Bigfork to Swan Lake, and Polebridge. * WHEN...From midnight tonight to 5 AM MST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Watch for brief but intense snow showers quickly dropping visiibility. Also, light freezing rain may impact US-2 from Essex to West Glacier. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. &&