3/24/2026 9:55:00 PM until 3/25/2026 1:00:00 PM

CRITICAL FIRE WEATHER CONDITIONS ACROSS PORTIONS OF NORTHEASTERN WYOMING, THE BLACK HILLS, AND SOUTHWESTERN SOUTH DAKOTA... .Well above average temperatures Wednesday with highs in the 70s to mid 80s; warmest along and south of I90. Very dry air will be in place with daytime relative humidity around 10 to 20 percent. Westerly winds will be strongest across southern Campbell County and far southwestern South Dakota. Expect more southwesterly winds from Pine Ridge northward into Rapid during the early afternoon. The combination of low relative humidity, warm temperatures, gusty winds, and drought conditions supports critical fire weather conditions. Additionally, a cold front will push through the forecast area late Wednesday night into Thursday with gusty northwest winds (and dry conditions) behind the front. * 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 10 to 20 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 10 percent. * IMPACTS...The combination of gusty winds and low relative humidity will produce critical fire weather conditions.