Montana Department of Transportation

Malcolm “Mack” Long, Director

COVID-19

View the Governor’s Coronavirus Task Force site for more information.

Main Content

Accidents and Incidents Report

Fire Weather Watch

Please Note Report Date:

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Note:  Be sure to pay close attention to the date and time of each warning.    
This document contains all warnings in the state so please read the
complete document.
 
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WWUS85 KBYZ 190257

RFWBYZ



URGENT - FIRE WEATHER MESSAGE

National Weather Service Billings MT

857 PM MDT Sat Sep 18 2021



MTZ123.133-WYZ274-284-190400-

/O.EXP.KBYZ.FW.W.0017.000000T0000Z-210919T0300Z/

Gallatin National Forest-Wheatland County/Sweet Grass County-

Stillwater County-Beartooth Ranger District Custer National Forest-

Golden Valley County/Musselshell county-Yellowstone County-

Crow Indian Reservation/Bighorn Canyon Rec Area-

Northern Rosebud/Northern Treasure Counties-

Northern Cheyenne Indian Reservation/Ashland Ranger District

Custer Natl Forest-Custer County-

Sioux Ranger District Custer National Forest-Sheridan County-

Bighorn National Forest-

857 PM MDT Sat Sep 18 2021



...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...



The risk of erratic fire behavior is decreasing this evening as

humidities rise and winds slowly decrease. Therefore, the Red Flag

Warning will be allowed to expire at 9 pm this evening. 



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http://weather.gov/Billings



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WWUS85 KMSO 190235

RFWMSO



URGENT - FIRE WEATHER MESSAGE

National Weather Service Missoula MT

835 PM MDT Sat Sep 18 2021



MTZ110-111-190345-

/O.EXP.KMSO.FW.W.0020.000000T0000Z-210919T0300Z/

Deerlodge/West Beaverhead-East Beaverhead-

835 PM MDT Sat Sep 18 2021



...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...



* Affected area: Fire Zone 110 (Deerlodge/West Beaverhead). Fire 

  Zone 111 (East Beaverhead). 





&&



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WWUS85 KTFX 190252

RFWTFX



URGENT - FIRE WEATHER MESSAGE

National Weather Service Great Falls MT

852 PM MDT Sat Sep 18 2021



MTZ113.115-117-118-190400-

/O.EXP.KTFX.FW.W.0017.000000T0000Z-210919T0300Z/

Hill and Blaine Counties-

Lewis and Clark National Forest Rocky Mountain District-

Rocky Mountain Front-Chouteau and Fergus Counties-

Central and Eastern Lewis and Clark National Forest Areas-

Helena and Townsend Ranger Districts of the Helena National Forest-

852 PM MDT Sat Sep 18 2021



...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING FOR GUSTY

WINDS AND LOW RELATIVE HUMIDITY. FOR FIRE WEATHER ZONES 113, 114, 115,

117, AND 118...



With temperatures falling, Relative Humidity (RH) values rising 

and winds decreasing, areas of coincident low RH values and 

sufficiently gusty winds are expected to be small enough and brief 

enough to warrant the expiration of the Red Flag Warning at 9 PM 

MDT.



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http://www.weather.gov/greatfalls



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