Red Flag Warning for Sioux Ranger District Custer National Forest

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The National Weather Service in Billings has issued a Red Flag Warning...which is in effect from midnight tonight to 9 PM MDT Sunday. * IMPACTS: Low humidities, hot temperatures, gusty winds, and a wind shift with a cold front will create erratic fire behavior. * AFFECTED AREA: In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Northwest SD...Harding. In Southeast MT...Carter...Fallon. * COLD FRONT: A cold front moves through early Sunday morning shifting winds to the northwest and increasing wind speeds. * WIND: Southeast 10 to 20 mph with gusts up to 30 mph tonight becoming northwest 15 to 25 mph with gusts up to 35 mph along and behind the front Sunday morning. * HUMIDITY: 25 to 40 percent Sunday morning becoming as low as 10 percent by Sunday afternoon. * TEMPERATURES: High temperatures of 90 to 100 degrees on Sunday.