Weather Warnings for Montana

Current Watches, Warnings and Advisories for Montana Issued by the National Weather Service
Alerts Updated: September 17, 2021, 2:25 pm  UTC


High Wind Watch issued September 17 at 2:25PM MDT until September 18 at 9:00PM MDT by NWS

Summary: ...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... * WHAT...Southwest winds 25 to 35 mph with gusts up to 65 mph possible. Gusts up to 75 mph possible along the Rocky Mountain Front. * WHERE...Portions of central, north central, southwest, and west
Severity:  Severe    Effective:  September 18, 2021, 9:00 am      Expires:  September 18, 2021, 9:00 pm
Area:  Beaverhead; Broadwater; Cascade; Central and Southern Lewis and Clark; Eastern Glacier; Gallatin; Jefferson; Madison; Meagher; Northern Rocky Mountain Front; Southern Rocky Mountain Front; Toole


High Wind Warning issued September 17 at 2:16PM MDT until September 18 at 9:00PM MDT by NWS

Summary: ...HIGH WIND WARNING IN EFFECT FROM 9 AM TO 9 PM MDT SATURDAY... * WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. * WHERE...Butte, Georgetown Lake, Highway 12 Garrison to Elliston, Homestake Pass, and MacDonald Pass. * WHEN...From 9 AM to 9 PM MDT Saturday.
Severity:  Severe    Effective:  September 18, 2021, 9:00 am      Expires:  September 18, 2021, 9:00 pm
Area:  Butte, Blackfoot Region


Lake Wind Advisory issued September 17 at 2:16PM MDT until September 18 at 9:00PM MDT by NWS

Summary: ...LAKE WIND ADVISORY IN EFFECT FROM 9 AM TO 9 PM MDT SATURDAY FOR FLATHEAD LAKE... * WHAT...Waves 1 to 3 feet due to southwest to west winds 10 to 20 mph with gusts up to 35 mph expected on Flathead Lake. * WHERE...Flathead/Mission Valleys. * WHEN...From 9 AM to 9 PM MDT Saturday.
Severity:  Minor    Effective:  September 18, 2021, 9:00 am      Expires:  September 18, 2021, 9:00 pm
Area:  Flathead, Mission Valleys


Wind Advisory issued September 17 at 2:16PM MDT until September 18 at 9:00PM MDT by NWS

Summary: ...WIND ADVISORY IN EFFECT FROM 9 AM TO 9 PM MDT SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From 9 AM to 9 PM MDT Saturday. * IMPACTS...Gusty winds could blow around unsecured objects.
Severity:  Minor    Effective:  September 18, 2021, 9:00 am      Expires:  September 18, 2021, 9:00 pm
Area:  Missoula, Bitterroot Valleys


Wind Advisory issued September 17 at 2:16PM MDT until September 18 at 9:00PM MDT by NWS

Summary: ...WIND ADVISORY IN EFFECT FROM 9 AM TO 9 PM MDT SATURDAY... * WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Highway 93 Sula to Lost Trail Pass, Lolo Pass, Highway 200 Bonner to Greenough, Highway 83 Seeley Lake to Condon, and I- 90 East Missoula to Bearmouth.
Severity:  Minor    Effective:  September 18, 2021, 9:00 am      Expires:  September 18, 2021, 9:00 pm
Area:  Bitterroot, Sapphire Mountains; Potomac, Seeley Lake Region


Lake Wind Advisory issued September 17 at 2:13PM MDT until September 17 at 8:00PM MDT by NWS

Summary: ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR FORT PECK LAKE... * WHAT...South winds 10 to 20 mph with gusts up to 35 mph. * WHERE...Fort Peck Lake. * WHEN...Until 8 PM MDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will
Severity:  Minor    Effective:  September 17, 2021, 2:13 pm      Expires:  September 17, 2021, 8:00 pm
Area:  Central and Southeast Phillips; Central and Southern Valley; Garfield; McCone; Petroleum


Red Flag Warning issued September 17 at 1:15PM MDT until September 18 at 9:00PM MDT by NWS

Summary: ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT SATURDAY... * IMPACTS: Low humidities, hot temperatures, strong gusty winds, and a wind shift with a cold front will create erratic fire behavior. * AFFECTED AREA:
Severity:  Severe    Effective:  September 18, 2021, 10:00 am      Expires:  September 18, 2021, 9:00 pm
Area:  Beartooth Ranger District Custer National Forest; Crow Indian Reservation, Big Horn Canyon Rec Area; Custer County; Gallatin National Forest; Golden Valley County, Musselshell County; Northern Cheyenne Indian Reservation, Ashland Ranger District Custer Natl Forest; Northern Rosebud, Northern Treasure Counties; Sioux Ranger District Custer National Forest; Stillwater County; Wheatland County, Sweet Grass County; Yellowstone County


Red Flag Warning issued September 17 at 3:04AM MDT until September 17 at 8:00PM MDT by NWS

Summary: ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 112, 113, 114, AND 116... * AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties, Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front
Severity:  Severe    Effective:  September 17, 2021, 11:00 am      Expires:  September 17, 2021, 8:00 pm
Area:  Eastern Glacier, Toole, Central, Eastern Pondera, Liberty; Hill and Blaine Counties; Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front; Lincoln Ranger District of the Helena National Forest


Red Flag Warning issued September 17 at 3:04AM MDT until September 18 at 9:00PM MDT by NWS

Summary: ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 9 PM MDT SATURDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 115, 117, AND 118... * AFFECTED AREA...Chouteau and Fergus Counties, Central and Eastern Lewis and Clark National Forest Areas and Helena and Townsend Ranger Districts of the Helena National Forest.
Severity:  Severe    Effective:  September 17, 2021, 11:00 am      Expires:  September 18, 2021, 9:00 pm
Area:  Central and Eastern Lewis and Clark National Forest Areas; Chouteau and Fergus Counties; Helena and Townsend Ranger Districts of the Helena National Forest


Red Flag Warning issued September 17 at 2:33AM MDT until September 18 at 10:00PM MDT by NWS

Summary: ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 10 PM MDT SATURDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 120, 122, 134, 135, 136, AND 137... * AFFECTED AREA...Fire Weather Zones 120, 122, 134, 135, 136 and 137. * TIMING...From mid-day through the evening both today and
Severity:  Severe    Effective:  September 17, 2021, 11:00 am      Expires:  September 18, 2021, 10:00 pm
Area:  Dawson, McCone, Prairie, Richland, Wibaux Counties; Fort Peck Reservation and Daniels, Roosevelt, Sheridan Counties; Northern Valley and Northern Phillips Counties; Southern Petroleum and Southern Garfield Counties; The Little Rockies; The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge


Red Flag Warning issued September 16 at 2:39PM MDT until September 18 at 9:00PM MDT by NWS

Summary: ...RED FLAG WARNING IN EFFECT FROM 1 PM FRIDAY TO 9 PM MDT SATURDAY... * Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire Zone 111 (East Beaverhead). * Impacts: The combination of gusty winds and low humidity will result in critical fire weather conditions. An exceptional fire
Severity:  Severe    Effective:  September 17, 2021, 1:00 pm      Expires:  September 18, 2021, 9:00 pm
Area:  Deerlodge, Western Beaverhead National Forest; Eastern Beaverhead National Forest