WWUS83 KUNR 211553

RFWUNR



URGENT - FIRE WEATHER MESSAGE

National Weather Service Rapid City SD

953 AM MDT Sat Mar 21 2026



...CRITICAL FIRE WEATHER CONDITIONS TODAY FOR MUCH OF 

NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA...



.A combination of very warm temperatures, low relative humidities,

and gusty winds will result in critical fire weather conditions

through this evening. A cold front will cross the region this

evening into tonight, resulting in a few light rain showers, 

rising humidities, and a switch to breezy northerly winds.



SDZ327-220300-

/O.EXA.KUNR.FW.W.0009.260321T1700Z-260322T0300Z/

Butte County Area-

953 AM MDT Sat Mar 21 2026



...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR

GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 327...



The National Weather Service in Rapid City has issued a Red Flag

Warning for gusty winds and low relative humidity, which is in

effect until 9 PM MDT this evening.



* AFFECTED AREA...Fire Weather Zone 327 Butte County Area.



* WINDS...North 15 to 25 MPH with gusts up to 40 MPH.



* RELATIVE HUMIDITY...As low as 15 percent.



* IMPACTS...The combination of gusty winds, low relative humidity,

  and very warm temperatures will produce critical fire weather 

  conditions.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



$$



SDZ319>326-332-333-WYZ314>318-220300-

/O.CON.KUNR.FW.W.0008.000000T0000Z-260322T0300Z/

Northern Black Hills-Central Black Hills-Southern Black Hills-

Fall River County Area-Northern Foot Hills-Eastern Foot Hills-

Custer County Plains-Pine Ridge Area-Badlands Area-

Bennett County Area-Northern Campbell-Southern Campbell-

Crook County Plains-Weston County Plains-Wyoming Black Hills-

953 AM MDT Sat Mar 21 2026



...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING

FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES

314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326,

332, AND 333...



* AFFECTED AREA...Fire Weather Zones 314 Northern Campbell, 315 

  Southern Campbell, 316 Crook County Plains, 317 Weston County 

  Plains, 318 Wyoming Black Hills, 319 Northern Black Hills, 320 

  Central Black Hills, 321 Southern Black Hills, 322 Fall River 

  County Area, 323 Northern Foot Hills, 324 Eastern Foot Hills, 

  325 Custer County Plains, 326 Pine Ridge Area, 332 Badlands 

  Area, and 333 Bennett County Area.



* WINDS...West 15 to 25 MPH with gusts up to 40 MPH, switching to

  north this evening.



* RELATIVE HUMIDITY...As low as 8 percent.



* IMPACTS...The combination of gusty winds, low relative humidity,

  and very warm temperatures will produce critical fire weather

  conditions.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



$$



SDZ329-331-334-335-220300-

/O.CON.KUNR.FW.W.0009.260321T1700Z-260322T0300Z/

West Central Plains-Haakon County Area-Mellette and Todd Counties-

Tripp County-

953 AM MDT Sat Mar 21 2026 /1053 AM CDT Sat Mar 21 2026/



...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT /10 PM CDT/

THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE

WEATHER ZONES 329, 331, 334, AND 335...



* AFFECTED AREA...Fire Weather Zones 329 West Central Plains, 331

  Haakon County Area, 334 Mellette and Todd Counties, and 335 

  Tripp County.



* WINDS...West 15 to 25 MPH with gusts up to 40 MPH, switching to

  north this evening.



* RELATIVE HUMIDITY...As low as 10 percent.



* IMPACTS...The combination of gusty winds, low relative humidity,

  and very warm temperatures will produce critical fire weather

  conditions.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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.



&&



$$



KSmith