Wintry mix of rain and snow this week
Back to back weather makers will keep the threat of showers in the forecast this week.
The first weather makers will begin is pass through western Montana today. Valley rain and snow will likely begin this morning. Temperatures will be just below freezing; therefore, black ice will be possible through 10AM.
The valley mix will change to snow Tuesday night and Wednesday as colder air enters Montana. Snowfall of a trace to 2 inches will be possible for most valley locations. Mountain passes will see 3 to 8 inches, with locally higher amounts possible in the backcountry.
Beaverhead, Madison, Jefferson, Broadwater, and Gallatin Counties are under a WINTER WEATHER ADVISORY from 8 PM tonight through 10 AM Wednesday. Total snow accumulations of 2 to 4 inches, with localized amounts up to 3 to 6 inches, are expected. This advisory includes the following locations Wisdom, Dillon, Monida Pass, Wise River, Lincoln, MacDonald Pass, Rogers Pass, Ennis, Norris Hill, Raynolds Pass, Twin Bridges, Virginia City, Boulder, Boulder Hill, Homestake Pass, Whitehall, Townsend, White Sulphur Springs, Bozeman, West Yellowstone, Bozeman Pass, and Targhee Pass.
WINTER WEATHER ADVISORY from 2 PM today until 5 PM Wednesday for the West Glacier Region. Total snow accumulations 3 to 6 for the lower elevations near West Glacier. 8 to 12 inches are possible over Marias Pass.
Our second weather maker will bring the threat of a winter mix to valley locations on Thursday, but it will quickly turn to snow Thursday and Friday. We will continue to track this system as accumulations are likely.
Drier weather is expected this weekend.