WWUS83 KUNR 040754 RFWUNR URGENT - FIRE WEATHER MESSAGE National Weather Service Rapid City SD 154 AM MDT Fri Oct 4 2024 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED ACROSS NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA TODAY AND TOMORROW... .Gusty south to southwest winds are expected to develop across the region today as a cold front approaches the area. Sustained winds will reach 15 to 30 mph, with some gusts as high as 45 mph. Ahead of the front, a warm and dry air mass will also overspread the region. Relative humidity values this afternoon will fall below 20 percent across much of the area, with some locations in northeastern Wyoming and southwestern South Dakota dropping below 10 percent. As the front crosses the area tonight into Saturday morning, relative humidity values may briefly recover above 25 percent. However, critical or near-critical relative humidity values are expected to return by Saturday afternoon. Coupled with strong northwest winds of 20 to 35 mph with gusts up to 55 mph or greater, critical fire weather conditions are expected to persist through Saturday afternoon. SDZ319>335-WYZ314>318-042300- /O.UPG.KUNR.FW.A.0016.241004T1800Z-241006T0000Z/ /O.NEW.KUNR.FW.W.0025.241004T1800Z-241006T0000Z/ 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-Butte County Area- Perkins County-West Central Plains-Ziebach County- Haakon County Area-Badlands Area-Bennett County Area- Mellette and Todd Counties-Tripp County-Northern Campbell- Southern Campbell-Crook County Plains-Weston County Plains- Wyoming Black Hills- 154 AM MDT Fri Oct 4 2024 /254 AM CDT Fri Oct 4 2024/ ...RED FLAG WARNING IN EFFECT FROM NOON MDT /1 PM CDT/ TODAY TO 6 PM MDT /7 PM CDT/ 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, 327, 328, 329, 330, 331, 332, 333, 334, AND 335... The National Weather Service in Rapid City has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon MDT /1 PM CDT/ today to 6 PM MDT /7 PM CDT/ Saturday. The Fire Weather Watch is no longer in effect. * 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, 327 Butte County Area, 328 Perkins County, 329 West Central Plains, 330 Ziebach County, 331 Haakon County Area, 332 Badlands Area, 333 Bennett County Area, 334 Mellette and Todd Counties and 335 Tripp County. * WINDS...Today, south to southwest 15 to 30 mph with gusts up to 45 mph. On Saturday, northwest 20 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...Today, as low as 9 percent. On Saturday, as low as 13 percent. * 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. && $$