Rangeland Fire Danger Forecast
Issued by NWS Sioux Falls, SD
Issued by NWS Sioux Falls, SD
545 FNUS63 KFSD 180803 RFDFSD Rangeland Fire Danger Statement National Weather Service Sioux Falls SD 303 AM CDT Sat Oct 18 2025 .DISCUSSION... A front will sweep across the area on Saturday, bringing northwesterly winds to the region. At times, winds may gust over 30 mph, with 40+ mph winds in the Missouri River valley. By late morning, a narrow band of light rain will begin to move southeast, exiting northwest Iowa in the late afternoon. A light wetting rain will be possible with this front, but total precipitation will likely remain under 0.10 inches. A lower wind day is expected Sunday before winds increase once again by Monday morning. Through the day on Monday, and especially by Monday afternoon 35 to 45 mph wind gusts may be possible. While relative humidity values remain well above critical thresholds, wildfire danger will increase with high to very high GFDI values expected. Winds may continue to remain strong through Tuesday, keeping an elevated fire danger risk in the region. SDZ050-052-057>059-063>066-068-069-181115- Gregory-Jerauld-Brule-Aurora-Davison-Charles Mix-Douglas- Hutchinson-Turner-Bon Homme-Yankton- ...HIGH FIRE DANGER... The Grassland Fire Danger Index will reach the high category this afternoon. Unfavorable weather conditions and low moisture content of grasses, and other dry organic material on the ground, indicate that there is a 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. OUTLOOK FOR SUNDAY AFTERNOON...The Grassland Fire Danger Index will reach the moderate category. The grassland fire danger product reflects fire danger for native grasses. It is not intended for cured agricultural crops, nor will it reflect conditions in road ditches which have been mowed. $$ IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097- 098-NEZ013-014-SDZ038>040-053>056-060>062-067-070-071-181115- Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee- Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson- Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Sanborn- Miner-Lake-Moody-Hanson-McCook-Minnehaha-Union- ...MODERATE FIRE DANGER... The Grassland Fire Danger Index will reach the moderate category this afternoon. Marginal weather conditions or lowering moisture content of grasses, and other dry organic material on the ground, indicate that there is some potential for a fire to spread. Any outdoor burning should be closely monitored. OUTLOOK FOR SUNDAY AFTERNOON...The Grassland Fire Danger Index will reach the moderate category. The grassland fire danger product reflects fire danger for native grasses. It is not intended for cured agricultural crops, nor will it reflect conditions in road ditches which have been mowed. $$