NWS Riverton WYFW.W 0024September 2, 2026
Red Flag Warning: North Bighorn Basin/Worland BLM, Cody Foothills, Lincoln and Uinta Counties/Lower Elevations and 12 more, MT and WY
The National Weather Service office in Riverton issued a red flag warning for North Bighorn Basin/Worland BLM, Cody Foothills, Lincoln and Uinta Counties/Lower Elevations and 12 more in Montana, Wyoming, which was in force until 9:00 p.m. local time on September 3. It was the 24th red flag warning the NWS office in Riverton issued in 2026. Montana had 9 red flag warnings in September 2026, against 9 in an average September of 2008-2025 (Montana's red flag warnings by year).
ExpiredWarning
In force for 9 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Riverton WY
- Area
- North Bighorn Basin/Worland BLM, Cody Foothills, Lincoln and Uinta Counties/Lower Elevations and 12 more
- State
- Montana
- Level
- Warning
- Issued
- 9:22 a.m. MDT, September 2, 2026
- In force from
- 12:00 p.m. MDT, September 3, 2026
- Expires
- 9:00 p.m. MDT, September 3, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KRIW FW.W 0024
- Official source
- National Weather Service: the notice at its source
Red Flag Warnings in Montana since 2008Every warning type in Montana
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from noon to 9 PM MDT Thursday. * 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...288...289...300. In North Central WY Fire Zones...275...276...281...282...287. In Northwest WY Fire Zone....286. In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Big Horn...Hot Springs...Johnson...Park Washakie. In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * WIND: Southwest 20 to 30 mph with gusts up to 35 to 45 mph. * HUMIDITY: As low as 10 to 15 percent. * TEMPERATURES: Highs in the 70s west of the Divide and the mountains, in the 80s to near 90 in the lower basins east of the Divide.
What the agency told people to do
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.