South Dakota, , Wyoming Fire Weather Watch | Effective 04/21/2026 00:36

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY 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, 327, 329, 330, 331, 332, 333, 334, AND 335... .Hot, dry, and windy conditions may support widespread critical fire weather conditions Wednesday afternoon. Temperatures on Wednesday will range from the 80s to mid 90s with minimum humidities dropping to as low as 10%. Meanwhile, southwesterly winds will increase through Wednesday morning as a cold front approaches the region. Sustained winds will be at 20 to 30 mph with gusts of 35 to 45 mph. Scattered thunderstorms are possible across western South Dakota on Wednesday afternoon, these storms may produce little precip while being capable of lightning and erratic winds gusting in excess of 50 mph. The National Weather Service in Rapid City has issued a Fire Weather Watch for gusty winds and low relative humidity, which is in effect from Wednesday afternoon through Wednesday evening. * 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, 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...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...The combination of gusty winds and low relative humidity would produce critical fire weather conditions.