


Rangeland Fire Danger Forecast
Issued by NWS Aberdeen, SD
Issued by NWS Aberdeen, SD
736 FNUS63 KABR 200827 RFDABR Rangeland Fire Danger Statement National Weather Service Aberdeen SD 327 AM CDT Wed Aug 20 2025 .DISCUSSION... Other than fog through mid morning in a few locations, a mostly sunny sky is expected. High moisture and high temperatures will result in heat index values reaching near 100 to 104 degrees this afternoon over portions of central South Dakota. Relative humidity values will fall into the 25 to 35 percent range west of the Missouri River, while stay mainly above 50 percent east of the Missouri River. Behind an exiting ridge of high pressure, winds will increase out of the east to southeast. The strongest wind gusts will be 20 to 30 mph over central South Dakota this afternoon. Another hot and muggy day is expected Thursday, with relative humidity values of 25 to 45 percent over central South Dakota. The lowest readings will be near Interstate 90. There is a 40 to 70 percent chance of showers and storms late Thursday afternoon into Thursday night, associated with a cold front sweeping across the area that will result in winds quickly switching from a southern to northerly direction. SDZ033-202230- Stanley- Including the city of Fort Pierre 327 AM CDT Wed Aug 20 2025 /227 AM MDT Wed Aug 20 2025/ ...MODERATE FIRE DANGER... Marginal weather conditions or lowering moisture content of grasses, and other dry organic material on the ground, indicate that there is some potential for a fire to spread. Any outdoor burning should be closely monitored. The outlook for Thursday afternoon...The grassland fire danger index will reach the moderate category. $$ MNZ039-046-SDZ003>011-015>023-034>037-045-048-051-202230- Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts- Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant- Hamlin-Deuel-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo- Including the cities of Wheaton, Ortonville, McIntosh, Herreid, Eureka, Aberdeen, Britton, Sisseton, Mobridge, Ipswich, Webster, Isabel, Gettysburg, Faulkton, Redfield, Clark, Watertown, Milbank, Hayti, Clear Lake, Onida, Pierre, Highmore, Miller, Murdo, Kennebec, and Fort Thompson 327 AM CDT Wed Aug 20 2025 /227 AM MDT Wed Aug 20 2025/ ...LOW FIRE DANGER... Favorable weather conditions or a high moisture content of grasses, and other dry organic material on the ground, indicate that the probability of a fast moving fire is low. Outdoor burning under these conditions can usually be performed with reasonable safety precautions, but should be monitored. The outlook for Thursday afternoon...The grassland fire danger index will reach the low category. $$ 06