Weather Warnings for Montana

Issued by the National Weather Service

Current watches, warnings, and advisories for Montana
Alerts Updated: April 5, 2026, 6:16 pm  UTC


Lake Wind Advisory issued April 5 at 12:15PM MDT until April 7 at 4:00AM MDT by NWS Glasgow MT

Summary: * WHAT...Southeast winds 15 to 25 mph with gusts up to 35 mph expected. * WHERE...Fort Peck Lake. * WHEN...From noon Monday to 4 AM MDT Tuesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Wave heights as high as 4 feet are forecast.
Severity:  Moderate    Effective:  April 5, 2026, 12:15 pm      Expires:  April 6, 2026, 4:00 am
Area:  Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone


High Wind Watch issued April 5 at 12:15PM MDT until April 8 at 12:00PM MDT by NWS Glasgow MT

Summary: * WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Southwest Phillips County. * WHEN...From Tuesday afternoon through Wednesday morning. * IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles.
Severity:  Severe    Effective:  April 5, 2026, 12:15 pm      Expires:  April 6, 2026, 4:00 am
Area:  Southwest Phillips


High Wind Watch issued April 5 at 11:58AM MDT until April 7 at 9:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Southwest west winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...Beaverhead and Western Madison below 6000ft and Northwest Beaverhead County. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.
Severity:  Severe    Effective:  April 5, 2026, 11:58 am      Expires:  April 6, 2026, 6:00 am
Area:  Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft


High Wind Watch issued April 5 at 11:58AM MDT until April 7 at 9:00PM MDT by NWS Great Falls MT

Summary: * 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.
Severity:  Severe    Effective:  April 5, 2026, 11:58 am      Expires:  April 6, 2026, 6:00 am
Area:  East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern Rocky Mountain Front; Southern High Plains


High Wind Watch issued April 5 at 11:58AM MDT until April 7 at 9:00PM MDT by NWS Great Falls MT

Summary: * 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.
Severity:  Severe    Effective:  April 5, 2026, 11:58 am      Expires:  April 6, 2026, 6:00 am
Area:  Eastern Toole and Liberty; Eastern Pondera and Eastern Teton; Western and Central Chouteau County; Cascade County below 5000ft; Judith Basin County and Judith Gap; Upper Blackfoot and MacDonald Pass; Little Belt and Highwood Mountains; Big Belt, Bridger and Castle Mountains


High Wind Watch issued April 5 at 11:58AM MDT until April 7 at 9:00PM MDT by NWS Great Falls MT

Summary: * WHAT...Southerly winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Madison River Valley. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.
Severity:  Severe    Effective:  April 5, 2026, 11:58 am      Expires:  April 6, 2026, 6:00 am
Area:  Madison River Valley


High Wind Watch issued April 5 at 11:58AM MDT until April 7 at 9:00PM MDT by NWS Great Falls MT

Summary: * 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.
Severity:  Severe    Effective:  April 5, 2026, 11:58 am      Expires:  April 6, 2026, 6:00 am
Area:  Gates of the Mountains; Helena Valley; Meagher County Valleys; Elkhorn and Boulder Mountains


High Wind Watch issued April 5 at 11:58AM MDT until April 8 at 6:00AM MDT by NWS Great Falls MT

Summary: * WHAT...West to northwest winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Snowy and Judith Mountains, Bears Paw Mountains and Southern Blaine, and Fergus County below 4500ft. * WHEN...From Tuesday afternoon through late Tuesday night. * IMPACTS...High winds may move loose debris, damage property and cause isolated power outages. Travel could be difficult, especially for high profile vehicles.
Severity:  Severe    Effective:  April 5, 2026, 11:58 am      Expires:  April 6, 2026, 6:00 am
Area:  Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft; Snowy and Judith Mountains


High Wind Watch issued April 5 at 11:44AM MDT until April 8 at 12:00AM MDT by NWS Billings MT

Summary: * WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Judith Gap, Southern Wheatland, Melville Foothills, and Northern Sweet Grass. * WHEN...From Tuesday morning through Tuesday evening. * IMPACTS...Damaging winds could blow down trees and power lines. Travel could be difficult, especially for high profile vehicles.
Severity:  Severe    Effective:  April 5, 2026, 11:44 am      Expires:  April 6, 2026, 11:45 am
Area:  Judith Gap; Northern Sweet Grass; Melville Foothills; Southern Wheatland