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Red Flag Warning
ActiveNorthern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM
Status
In Progress
Started about 2 hours ago
Ends
Issued
Severity
Severe
Urgency
Expected
Certainty
Likely
Details
* IMPACTS: Low humidities, unseasonably warm temperatures, strong gusty winds, and 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 gusting up to 45 mph. Winds shifting to the northwest behind a late day cold front, with continued gusts to 45 mph through much of tonight.
* HUMIDITY: Minimums of 14 to 20 percent.
* TEMPERATURES: Highs of 75 to 85 degrees.
Instructions
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.
Data from the National Weather Service
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