Red Flag Warning for Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM

Full official description

Bulletin details

The National Weather Service in Billings has issued a Red Flag Warning...which is in effect from noon to 9 PM MDT Friday. * IMPACTS: Low humidities, unseasonably warm temperatures, strong gusty winds, and a wind shift with a cold front will create erratic fire behavior and difficult control of new or existing fires. * AFFECTED AREA: In North Central WY Fire Zone...274. In Southeast MT Fire Zone...131. 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...Fallon...Powder River...Rosebud Treasure. The most dangerous conditions are expected along and southeast of a Baker Montana to Sheridan Wyoming line. * COLD FRONT: Late afternoon into early evening. * WIND: Southwest 20 to 30 mph with gusts up to 45 mph. Winds shifting to the northwest behind the cold front, with continued gusts up to 45 mph through late Friday night. * HUMIDITY: 15 to 25 percent. * TEMPERATURES: 75 to 85 degrees.