South Dakota, , Wyoming Red Flag Warning | Effective 05/13/2026 10:29

Headline: 
Red Flag Warning issued May 13 at 11:29AM MDT until May 14 at 9:00PM MDT by NWS Rapid City SD
Event: 
Red Flag Warning
Urgency: 
Expected
Effective: 
May 13, 2026 - 10:29am
Expires: 
May 13, 2026 - 6:30pm
Description: 
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THURSDAY DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, NORTHERN FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE RIDGE AREA, BUTTE COUNTY AREA, WEST CENTRAL PLAINS, ZIEBACH COUNTY, HAAKON COUNTY AREA, BADLANDS AREA, AND BENNETT COUNTY AREA... .Warm, very dry, and breezy weather will support critical fire weather conditions over much of the western SD Plains today. Expect southeast winds of 15 to 25 mph with gusts over 35 mph, with RH as low as 10 percent. A trough will move through the area early Thursday morning, with winds shifting northwest and increasing. After poor recovery, RH's will fall to the teens or lower again on Thursday afternoon with gusty northwest winds. * AFFECTED AREA...Fire Weather Zones 322, 323, 324, 325, 326, 327, 329, 330, 331, 332, and 333. * TIMING...Until 9 PM MDT Thursday. * WINDS...Southwest winds 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...Relative Humidity as low as 10 percent in the afternoon today and Thursday. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.
Instruction: 
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.
Area Description: 
Fall River County Area; Northern Foot Hills; Eastern Foot Hills; Custer County Plains; Pine Ridge Area; Butte County Area; West Central Plains; Ziebach County; Haakon County Area; Badlands Area; Bennett County Area
Forcast Office: 
NWS Rapid City SD