2:14 AM EDT
Friday
Sep 04, 2026

Current Severe Weather Alerts in Wyoming


There are currently 4 Weather Alerts in Wyomingselect a different state


Red Flag Warning issued September 3 at 9:19PM MDT until September 4 at 8:00PM MDT by NWS Rapid City SD

Event: Red Flag Warning
Message Type: Alert
Urgency: Expected
Severity: Severe
Certainty: Likely
Affected Area: Butte County Area; Northern Campbell; Southern Campbell; Crook County Plains; Weston County Plains; Wyoming Black Hills

Wheather Alert Summary: ...Red flag warning in effect from 11 am to 8 pm mdt friday due to gusty winds and low relative humidity for butte county area, northern campbell, southern campbell, crook county plains, weston county plains, and wyoming black hills... the national weather service in rapid city sd has issued a red flag warning. * affected area...Fire weather zones 314, 315, 316, 317, 318, and 327. * timing...From 11 am to 8 pm mdt friday. * winds...South winds 10 to 20 mph with gusts up to 30 mph. * relative humidity...Relative humidity as low as 8 percent. * impacts...Any fires that develop will spread rapidly. outdoor burning is not recommended.

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: 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

Red Flag Warning issued September 3 at 11:12AM MDT until September 4 at 9:00PM MDT by NWS Riverton WY

Event: Red Flag Warning
Message Type: Alert
Urgency: Expected
Severity: Severe
Certainty: Likely
Affected Area: North Bighorn Basin/Worland BLM; Cody Foothills; Natrona County/Casper BLM; Johnson County/Casper BLM; South Bighorn Basin/Worland BLM; Upper Wind River Basin/Wind River Basin; South Bighorn Mountains; Absaroka Mountains/North Shoshone NF; Owl Creek Mountains; Granite/Green/Ferris/Rattlesnake Mountains

Wheather Alert Summary: The national weather service in riverton has issued a red flag warning, which is in effect from noon to 9 pm mdt friday. * impacts: low humidities...Unseasonably warm temperatures...And strong gusty winds could cause erratic fire behavior. * affected area: in central wy fire zones...280...283...285...289. in north central wy fire zones...275...276...281...282...287. in northwest wy fire zone....286. * counties affected: in central wy...Fremont...Natrona. in north central wy...Big horn...Hot springs...Johnson...Park washakie. in southwest wy...Sweetwater. * wind: southwest 15 to 25 mph with gusts up to 30 to 40 mph. * humidity: as low as 10 to 15 percent. * temperatures: highs in the 80s. lows in the 50s.

Official National Weather Service Weather Alert Statement