Red Flag Warning issued July 12 at 2:10AM MDT until July 12 at 9:00PM MDT by NWS Billings MT
Issue date: 2026-07-12T08:10+00:00
* IMPACTS: Low humidities, very hot temperatures, and strong gusty winds will create erratic fire behavior. * AFFECTED AREA: In North Central WY Fire Zone...274. 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...Sheridan. 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: South 10 to 20 mph with gusts to 35 mph. * HUMIDITY: Minimums of 5 to 10 percent. * TEMPERATURES: Highs of 105 to 112. * COLD FRONT: Arrives over western zones this evening, bringing a shift to breezy northwest winds. The front will reach far southeast Montana Monday morning. Before the frontal passage, a southeasterly low level jet will produce gusty ridgetop winds (to 40 mph) and a slow humidity recovery over SE Montana tonight.
Red Flag Warning issued July 12 at 12:33AM MDT until July 12 at 10:00PM MDT by NWS Riverton WY
Issue date: 2026-07-12T06:33+00:00
* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...283. In North Central WY Fire Zones...275...276...281...282. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Big Horn...Hot Springs...Johnson...Park Washakie. * WIND: Southeast 15 to 25 mph with gusts up to 35 mph. * HUMIDITY: As low as 4 percent. * TEMPERATURES: Highs 98 to 110.
