WWUS83 KUNR 210115

RFWUNR



URGENT - FIRE WEATHER MESSAGE

National Weather Service Rapid City SD

715 PM MDT Fri Mar 20 2026



...CRITICAL FIRE WEATHER CONDITIONS THROUGH SATURDAY FOR MUCH OF

NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA...



.Very poor RH recovery tonight for northeastern Wyoming, the

Black Hills and foothills, and southwestern South Dakota. The Red

Flag Warning remains in effect overnight through Saturday

afternoon for these areas. Extremely warm conditions Saturday

with highs pushing into the 80s and low 90s and humidity falling

into the single digits, particularly along and south of I90. The

Red Flag Warning has been extended into the Meade County plains,

Haakon County, and south-central South Dakota. A cold front will

move through Saturday evening with breezy northerly winds

expected and rising RH.



SDZ319>326-332-333-WYZ314>318-211615-

/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-

715 PM MDT Fri Mar 20 2026



...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY 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...Southwest 15 to 25 mph with gusts up to 35 mph.



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



* IMPACTS...The combination of gusty winds and low relative 

  humidity 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.



&&



$$



SDZ329-331-334-335-211615-

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

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

Tripp County-

715 PM MDT Fri Mar 20 2026 /815 PM CDT Fri Mar 20 2026/



...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MDT /NOON CDT/

TO 9 PM MDT /10 PM CDT/ SATURDAY 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.



* RELATIVE HUMIDITY...As low as 9 percent.



* IMPACTS...The combination of gusty winds and low relative 

  humidity will produce critical fire weather conditions.



* IMPACTS...The combination of gusty winds and low relative 

  humidity would 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.



&&



$$