Red Flag Warning issued August 7 at 8:50PM MDT until August 9 at 9:00PM MDT by NWS Riverton WY
Issue date: 2026-08-08T02:50+00:00
* AFFECTED AREA: In Central WY Fire Zones...280...283...285...300. In North Central WY Fire Zones...275...276...281...282...287. In Northwest WY Fire Zones...140...286. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Big Horn...Hot Springs...Johnson...Park ...Washakie. In Northwest WY...Yellowstone National Park. * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * WIND: Northwest 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 8 percent. Humidity recovery each night will remain below 40 percent. * TEMPERATURES: Highs in the upper 70s to middle 80s at higher elevations and middle 90s to upper 90s at lower elevations. Lows in the upper 40s to upper 50s at higher elevations and upper 50s to low 60s at lower elevations.
Red Flag Warning issued August 7 at 12:13PM MDT until August 8 at 9:00PM MDT by NWS Billings MT
Issue date: 2026-08-07T18:13+00:00
The National Weather Service in Billings has issued a Red Flag Warning...which is in effect from 11 AM to 9 PM MDT Saturday. The Fire Weather Watch is no longer in effect. * IMPACTS: Low humidities, hot temperatures, and strong gusty winds will create erratic fire behavior. * AFFECTED AREA: In North Central WY Fire Zones...274...284. In South Central MT Fire Zones...123...124...125...126...127 128...129. In Southeast MT Fire Zones...130...131...132. In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Central MT...Golden Valley...Musselshell...Wheatland. In North Central WY...Big Horn...Johnson...Sheridan...Washakie. In Northwest SD...Harding. In South Central MT...Big Horn...Carbon...Park...Stillwater Sweet Grass...Yellowstone. In Southeast MT...Carter...Custer...Fallon...Powder River Rosebud...Treasure. In Southwest MT...Gallatin. * WIND: Northwest 10 to 20 mph with gusts to 30 mph. * HUMIDITY: Minimums of 7 to 14 percent. * TEMPERATURES: Highs of 93 to 101 degrees.
Air Quality Alert issued August 7 at 12:10PM MDT by NWS Riverton WY
Issue date: 2026-08-07T18:10+00:00
The following message is transmitted on behalf of the Wyoming Department of Environmental Quality, Air Quality Division, and the Wyoming Department of Health. * WHAT...Air Quality Alert for Wildfire Smoke. * WHERE...All of Western and Central Wyoming. * WHEN...Now through Noon Monday. * IMPACTS...Smoke from western United States wildfires continues to be observed across much of western and central Wyoming. The smoke is limiting visibilities at times. HEALTH INFORMATION...The Wyoming Department of Health recommends that the elderly, young children, and individuals with respiratory problems avoid excessive physical exertion and minimize outdoor activities during this time. Wildfire smoke is made up of a variety of pollutants, including particulate matter and ozone, which can cause respiratory health effects. Although these people are most susceptible to health impacts, the Department of Health also advises that everyone should avoid prolonged exposure to poor air quality conditions. CURRENT CONDITIONS...The Wyoming Department of Environmental Quality, Air Quality Division offers near real-time air quality data for Wyoming's monitoring stations and health effects information to help the public interpret current conditions. Current air quality conditions across the state of Wyoming can be found at http://www.wyvisnet.com/.
