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Last Map Update: Wed, Dec. 13, 2017 at 9:23:15 pm MST

National Weather Service Spokane, WAZoom

National Weather Service Great Falls, MT
National Weather Service Pendleton, ORNational Weather Service Boise, IDNational Weather Service Pocatello, ID

A weather system is expected to shift across the northern Rockies late Friday, Friday night and Saturday producing areas of light to moderate snow and local slick roads, especially over the terrain. The mountain passes that may be most impacted are Lookout, Lolo, Lost Trail and Marias Pass. However, Whitebird Grade may be some wet snow by Saturday morning. The valleys from Grangeville to Orofino eastward across western Montana may also see some light snow, but generally light accumulations.
Areas of low stratus and fog should return Wednesday night through Thursday night in the valleys of north central Idaho, Lemhi County, and western Montana. This includes Orofino, Grangeville, Elk City, Libby, Troy, Kalispell, Eureka, Ronan, Hot Springs, Arlee, Missoula, Hamilton, Drummond and Salmon. The main impact will be local reduced visibilities less than ΒΌ mile at times and local freezing fog impacting overpasses and bridges.


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