NWS Forecast Office Missoula, MT

A strong cold front will move through western Montana and central Idaho on Wednesday, resulting in windy conditions across the region. Winds will begin to increase in the morning, peaking across northwest/west central Montana and central Idaho mid day, and peaking across southwest Montana and Lemhi County, Idaho in the afternoon. Winds sustained 20 to 30 mph will be possible in exposed locations, with gusts up to 45 mph. Impacts to outdoor activities and tree branches will be possible, and travel may be difficult for high profile vehicles. In addition, breezy winds will lead to increased wave heights on Flathead Lake, leading to difficult conditions for small water craft.