Light snow will develop Friday in Southwest Montana, becoming moderate during the afternoon. Roads will likely be slick and snow-covered through Saturday morning.
One to four inches of snow is expected.
In Butte, a 20 percent chance of snow is coming in the afternoon. Still, it'll be sunny for a while, with a high near 27.
Northeast winds are expected to increase Friday night, causing blowing snow and low visibility through predominantly windy areas.