WINTER STORM WARNING Saturday and Sunday for most of NBC MONTANA including Kalispell, Missoula, and Butte. Snowfall will be heaviest in northwest Montana, where an additional 6-12 inches will be possible. Winds will also be very strong, with gusts up to 50 MPH as the front moves through. This will cause blizzard conditions in many northwest Montana locations. Visibility will be very low, and roads will become slick. Travel is not recommended.
The forecast is a little trickier for west central Montana, including the Missoula and Bitterroot Valley. Temperatures may rise to the mid to upper 30s in this area this afternoon before the arctic front moves through. This will cause rain to mix in with snow. The rain/snow mix will transition back to snow once the arctic front pushed through late tonight and early Sunday. Additional accumulations of 3-7 inches of snow will be possible through Sunday, with the higher amounts as you move north. Winds gusts will strong, up to 40 MPH as the arctic front moves through late Saturday night.
The rain and heavy, wet snow in this area will likely freeze overnight as temperatures fall behind the arctic front. Lows will fall into the teens and 20s across the area and high temperatures Sunday will not rise much. This will cause extremely icy roadways for Sunday morning. Any additional snowfall on Sunday will only make roadways worse. Travel on Sunday will be very difficult with little to no improvement by Monday as temperatures will be frigid.
The mountains in west central and into northwest Montana will receive very heavy snowfall, ranging from 1 to 2 feet. Travel over mountain passes will become treacherous.
Areas in southwest Montana, including Bozeman are under a WINTER WEATHER ADVISORY for Saturday and Sunday. Additional snowfall accumulation in this area will be 3 to 7 inches with up to a foot or more in the mountains.
Behind the front, arctic air will move into the region. Snowfall will calm down late Sunday and into Monday, but temperatures will be very cold. Early next week, high temperatures will be in the single digits and teens. Low temps may reach the single digits below zero in west central and northwest Montana. Lows in in southwest Montana have the potential to fall lower than 20 below.
Today's Record Temperatures