del: 05/04/2026, 11:58
a: 06/04/2026, 06:00

* WHAT...West winds 30 to 40 mph with gusts up to 75 mph possible. The strongest winds will occur along and west of the Interstate 15 corridor and south of the Montana Hwy 200 corridor. * WHERE...Cascade County, including the Little Belt and Highwood Mountains, Eastern Toole and Liberty Counties, Eastern Pondera and Eastern Teton Counties, Western and Central Chouteau County, Judith Basin County and Judith Gap, Upper Blackfoot and MacDonald Pass, and Big Belt, Bridger and Castle Mountains. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel could be very difficult, especially for high profile vehicles. Blowing dust could reduce visibility at times. * ADDITIONAL DETAILS...Blowing dust may significantly reduce visibility at times, especially along Interstate 15 between Shelby and the Canadian border.

del: 05/04/2026, 11:58
a: 06/04/2026, 06:00

* WHAT...West winds 40 to 50 mph with gusts up to 90 mph possible. * WHERE...The Rocky Mountain Front and adjacent foothills and plains, and Eastern Glacier, Western Toole, and Central Pondera Counties. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel could be very difficult, especially for high profile vehicles. Blowing dust could reduce visibility at times.

del: 05/04/2026, 11:58
a: 06/04/2026, 06:00

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph possible. Gusts up to 75 west of the Interstate 15 corridor. * WHERE...Elkhorn and Boulder Mountains, Gates of the Mountains, Helena Valley, and Meagher County Valleys. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds may blow down trees and power lines. Power outages are possible. Travel could be very difficult, especially for high profile vehicles.