Rangeland Fire Danger Forecast
Issued by NWS Aberdeen, SD
Issued by NWS Aberdeen, SD
586 FNUS63 KABR 200741 RFDABR Rangeland Fire Danger Statement National Weather Service Aberdeen SD 241 AM CDT Thu Aug 20 2026 .DISCUSSION... A weak cold front will track south through the area today. There will be a few showers and thunderstorms across northeast South Dakota and west central Minnesota this morning. Winds will become northwesterly by afternoon and turn gusty at times between 20-30 mph. Drier conditions will begin to settle into central parts of South Dakota this afternoon with minimum relative humidity values ranging between 25-30 percent along and west of the Missouri Valley. This will drive the grassland fire danger index to high levels across north central South Dakota. SDZ003-004-009-015-202145- Corson-Campbell-Walworth-Dewey- Including the cities of McIntosh, Herreid, Mobridge, and Isabel 241 AM CDT Thu Aug 20 2026 /141 AM MDT Thu Aug 20 2026/ ...HIGH FIRE DANGER... Unfavorable weather conditions and low moisture content of grasses, and other dry organic material on the ground, indicate that there is high potential for a fire to spread. Outdoor burning should be restricted to early morning or evening hours when wind speeds are usually lower and the relative humidity is higher. The outlook for Friday afternoon...The grassland fire danger index will reach the moderate category. $$ SDZ005-010-016-017-033>037-045-048-202145- McPherson-Edmunds-Potter-Faulk-Stanley-Sully-Hughes-Hyde-Hand-Jones- Lyman- Including the cities of Eureka, Ipswich, Gettysburg, Faulkton, Fort Pierre, Onida, Pierre, Highmore, Miller, Murdo, and Kennebec 241 AM CDT Thu Aug 20 2026 /141 AM MDT Thu Aug 20 2026/ ...MODERATE FIRE DANGER... Marginal weather conditions or lowering moisture content of grasses, and other dry organic material on the ground, indicate that there is some potential for a fire to spread. Any outdoor burning should be closely monitored. The outlook for Friday afternoon...The grassland fire danger index will reach the low to moderate category. $$ MNZ039-046-SDZ006>008-011-018>023-051-202145- Traverse-Big Stone-Brown-Marshall-Roberts-Day-Spink-Clark-Codington- Grant-Hamlin-Deuel-Buffalo- Including the cities of Wheaton, Ortonville, Aberdeen, Britton, Sisseton, Webster, Redfield, Clark, Watertown, Milbank, Hayti, Clear Lake, and Fort Thompson 241 AM CDT Thu Aug 20 2026 ...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 Friday afternoon...The grassland fire danger index will reach the low category. $$