Widespread snow expected tonight
Widespread light snow will be common across western Montana this evening and into tonight, causing a hazardous Thursday morning commute.
WINTER WEATHER ADVISORY through 11AM Thursday for all of northwest Montana, including the Flathead and Mission Valleys. Snowfall of 3 to 6 inches will be possible across northwest Montana. Lookout, Lolo, Lost Trail and Marias Passes will see 5 to 10 inches of snow.
WINTER WEATHER ADVISORY for Gallatin, Jefferson, Broadwater and Madison Counties. Also included is the Butte/Blackfoot region. Snow accumulations of 2 to 4 inches will be possible in the lower elevations. Bozeman Pass will see 4 to 6 inches of snow.
Missoula has not been placed under an advisory, but light snowfall is still expected with a trace to up to three inches of snow possible through Thursday morning.
Snow has already developed in northwest Montana and southward into west-central Montana. The snow will spread to the Butte and Bozeman areas by the evening. Accumulating snow is likely area wide Wednesday night and linger through Thursday around Butte and Bozeman. Wind will increase, creating areas of blowing snow.
Arctic air will move back into the region behind this storm. Low temperatures tonight will drop into the single digits in SW Montana. Kalispell will see lows in the lower teens while Missoula will be around 20. Afternoon high temperatures tomorrow will range from near 20 to near 30.
Another storm system will bring snow to the region Friday through the weekend. This one will be stronger and will also be accompanied by strong wind as arctic air interacts with Pacific moisture. Mountains will see close to a foot of snow with several inches in valley locations.