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WHAT: Dangerously hot conditions with high temperatures of 98 to 108.
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WHERE: Portions of central, south central, and southeast Montana and north central Wyoming.
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WHEN: Until midnight MDT tonight.
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IMPACTS: Heat related illnesses increase significantly during extreme heat events.
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ADDITIONAL DETAILS: Low temperatures in the 60s and 70s tonight followed by high temperatures in the 90s Sunday may cause lingering heat stress, especially for those without relief from the heat. Much cooler temperatures arrive by Monday.
* WHAT...Dangerously hot conditions with high temperatures of 98 to 108. * WHERE...Portions of central, south central, and southeast Montana and north central Wyoming. * WHEN...Until midnight MDT tonight. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Low temperatures in the 60s and 70s tonight followed by high temperatures in the 90s Sunday may cause lingering heat stress, especially for those without relief from the heat. Much cooler temperatures arrive by Monday.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
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IMPACTS: Low humidities, hot temperatures, gusty winds, and a wind shift with a cold front will create erratic fire behavior.
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AFFECTED AREA: In North Central WY Fire Zones,274,284. In South Central MT Fire Zone,129. In Southeast MT Fire Zones,130,131,132.
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COUNTIES AFFECTED: In North Central WY,Big Horn,Johnson,Sheridan,Washakie. In South Central MT,Big Horn,Carbon,Yellowstone. In Southeast MT,Custer,Powder River,Rosebud,Treasure.
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COLD FRONT: A cold front moves through tonight into early Sunday morning shifting winds to the northwest and increasing wind speeds.
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WIND: South 10 to 20 mph ahead of the front becoming northwest 10 to 20 mph with gusts up to 35 mph along and behind the front. Winds become northeast to east Sunday afternoon.
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HUMIDITY: 20 to 35 percent Sunday morning becoming as low as 10 percent Sunday afternoon.
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TEMPERATURES: Up to 100 degrees.
* IMPACTS: Low humidities, hot temperatures, gusty winds, and a wind shift with a cold front will create erratic fire behavior. * AFFECTED AREA: In North Central WY Fire Zones...274...284. In South Central MT Fire Zone...129. In Southeast MT Fire Zones...130...131...132. * COUNTIES AFFECTED: In North Central WY...Big Horn...Johnson...Sheridan...Washakie. In South Central MT...Big Horn...Carbon...Yellowstone. In Southeast MT...Custer...Powder River...Rosebud...Treasure. * COLD FRONT: A cold front moves through tonight into early Sunday morning shifting winds to the northwest and increasing wind speeds. * WIND: South 10 to 20 mph ahead of the front becoming northwest 10 to 20 mph with gusts up to 35 mph along and behind the front. Winds become northeast to east Sunday afternoon. * HUMIDITY: 20 to 35 percent Sunday morning becoming as low as 10 percent Sunday afternoon. * TEMPERATURES: Up to 100 degrees.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of gusty winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
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