CRITICAL FIRE WEATHER CONDITIONS POSSIBLE WEDNESDAY AFTERNOON FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY ACROSS NORTHEAST WYOMING AND WESTERN SOUTH DAKOTA. .Gusty south to southwest winds will develop tonight and continue through Wednesday, which will bring much warmer and drier air to the region. Winds will increase to 10 to 25 mph with gusts to 35 mph. Even stronger winds are possible across south central South Dakota, with gusts up to 55 mph. Temperatures Wednesday will be near record-breaking for this time of year. Highs will generally be in the mid 70s to mid 80s across lower elevations. maybe even warmer in some spots. Minimum relative humidity could drop as low as 12 to 20 percent. These conditions may result in critical fire weather conditions Wednesday afternoon across the region. The National Weather Service in Rapid City has issued a Fire Weather Watch for gusty winds and low relative humidity, which is in effect Wednesday afternoon. * 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 and 332 Badlands Area. * WINDS. South 10 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY. As low as 12 percent. * IMPACTS. The combination of gusty winds and low relative humidity would produce critical fire weather conditions.
