2:09 AM EDT
Friday
Sep 04, 2026

Current Severe Weather Alerts in Montana


There are currently 3 Weather Alerts in Montanaselect a different state


Red Flag Warning issued September 3 at 9:17PM MDT until September 4 at 9:00PM MDT by NWS Billings MT

Event: Red Flag Warning
Message Type: Update
Urgency: Expected
Severity: Severe
Certainty: Likely
Affected Area: Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM

Wheather Alert Summary: * impacts: low humidities, unseasonably warm temperatures, and strong gusty winds will create erratic fire behavior. * affected area: in north central wy fire zone...274. in southeast mt fire zones...131...132. in southeast mt and northwest sd fire zone...133. * counties affected: in north central wy...Sheridan. in northwest sd...Harding. in south central mt...Big horn. in southeast mt...Carter...Custer...Fallon...Powder river rosebud...Treasure. * wind: south 10 to 20 mph with gusts 25 to 35 mph. * humidity: as low as 10 percent. * temperatures: up to 98.

Official National Weather Service Weather Alert Statement

Red Flag Warning issued September 3 at 9:17PM MDT until September 4 at 9:00PM MDT by NWS Billings MT

Event: Red Flag Warning
Message Type: Update
Urgency: Expected
Severity: Severe
Certainty: Likely
Affected Area: Crow Indian Reservation/Big Horn Canyon Rec Area; Bighorn National Forest

Wheather Alert Summary: * impacts: low humidities, unseasonably warm temperatures, and strong gusty winds will create erratic fire behavior. * affected area: in north central wy fire zone...284. in south central mt fire zone...129. * counties affected: in north central wy...Big horn...Johnson...Sheridan...Washakie. in south central mt...Big horn...Carbon...Yellowstone. * wind: south 10 to 20 mph with gusts 25 to 35 mph. * humidity: as low as 10 percent. * additional details: the worst conditions are expected across the lower elevations. * temperatures: up to 96.

Official National Weather Service Weather Alert Statement

Lake Wind Advisory issued September 3 at 3:17PM MDT until September 4 at 12:00PM MDT by NWS Glasgow MT

Event: Lake Wind Advisory
Message Type: Alert
Urgency: Expected
Severity: Moderate
Certainty: Likely
Affected Area: Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone

Wheather Alert Summary: * what...Southeast winds 15 to 20 mph with gusts up to 35 mph expected. * where...Fort peck lake. * when...From 6 am to noon mdt friday. * impacts...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * additional details...Waves as high as 4 feet.

Official National Weather Service Weather Alert Statement