Weather in Cascade

High Wind Warning issued May 12 at 11:48PM MDT until May 14 at 6:00PM MDT by NWS Great Falls MT

Areas: Eastern Toole and Liberty; Cascade County below 5000ft; Judith Basin County and Judith Gap

12/05/2026, 23:48:00 → 13/05/2026, 17:15:00

* WHAT...Westerly winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Eastern Toole and Liberty Counties, Cascade County below 5000ft, and Judith Basin County and Judith Gap. * WHEN...From midnight Wednesday Night to 6 PM MDT Thursday. * IMPACTS...High winds may move loose debris, damage property and cause isolated power outages. Travel could be difficult, especially for high profile vehicles.

High Wind Watch issued May 12 at 11:48PM MDT until May 14 at 6:00PM MDT by NWS Great Falls MT

Areas: Helena Valley

12/05/2026, 23:48:00 → 13/05/2026, 17:15:00

* WHAT...Westerly winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Helena Valley. * WHEN...From late Wednesday night through Thursday afternoon. * IMPACTS...High winds may move loose debris, damage property and cause isolated power outages. Travel could be difficult, especially for high profile vehicles.

High Wind Warning issued May 12 at 11:48PM MDT until May 15 at 12:00AM MDT by NWS Great Falls MT

Areas: East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern Rocky Mountain Front; Southern High Plains; Upper Blackfoot and MacDonald Pass

12/05/2026, 23:48:00 → 13/05/2026, 17:15:00

* WHAT...Westerly winds 40 to 50 mph with gusts up to 90 mph possible along the Rocky Mountain Front, with gusts up to 75 mph elsewhere. * WHERE...The Rocky Mountain Front and adjacent foothills and plains, Eastern Glacier, Western Toole, and Central Pondera Counties, and Upper Blackfoot and MacDonald Pass. * WHEN...From 6 PM Wednesday to midnight MDT Thursday Night. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult to dangerous, especially for high profile vehicles.

High Wind Warning issued May 12 at 11:48PM MDT until May 13 at 9:00PM MDT by NWS Great Falls MT

Areas: Big Belt, Bridger and Castle Mountains

12/05/2026, 23:48:00 → 13/05/2026, 17:15:00

* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...From noon to 9 PM MDT Wednesday. * IMPACTS...High winds may move loose debris, damage property and cause isolated power outages. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There will also be widely scattered showers and thunderstorms capable of producing localized wind gusts between 60 and 80 mph Wednesday afternoon and evening.

High Wind Warning issued May 12 at 11:48PM MDT until May 13 at 9:00PM MDT by NWS Great Falls MT

Areas: Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Gallatin Valley; Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft; Ruby Mountains and Southern Beaverhead Mountains; Gallatin and Madison County Mountains and Centennial Mountains

12/05/2026, 23:48:00 → 13/05/2026, 17:15:00

* WHAT...South to southwesterly winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Southwestern Montana along and south of Interstate 90, and Canyon Ferry Area. * WHEN...From noon to 9 PM MDT Wednesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...There will also be widely scattered showers and thunderstorms capable of producing localized wind gusts between 60 and 80 mph Wednesday afternoon and evening.