National Weather Service Text Product
AFOS product RFDUNR
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: RFDUNR
Product Timestamp: 2026-04-20 09:41 UTC
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935 FNUS63 KUNR 200941 RFDUNR Rangeland Fire Danger Statement National Weather Service Rapid City SD 341 AM MDT Mon Apr 20 2026 .DISCUSSION...Very warm and dry today with highs in the 70s to 80s and humidities ranging from the single digits across southwestern South Dakota to the teens across northwestern and south central South Dakota. Winds will be out of the west at 10 to 20 mph, gusting to 25 to 30 mph. Very warm and dry conditions will continue through Wednesday with high to very high fire danger expected, mainly across southwestern into south central South Dakota. SDZ027-030-031-041>044-046-047-049-074>077-210100- Southern Foothills-Custer Co Plains-Pennington Co Plains- Western Fall River-Northern Oglala Lakota-Northern Jackson- Bennett-Mellette-Todd-Tripp-Hermosa Foothills-Eastern Fall River- Southern Oglala Lakota-Southern Jackson- Including the cities of Hot Springs, Angostura Reservoir, Folsom, Box Elder, Caputa, New Underwood, Wasta, Wall, Scenic, Quinn, Ardmore, Edgemont, Provo, Rumford, Kyle, Rockyford, Sharps Corner, Kadoka, Cottonwood, Interior, Belvidere, Martin, Allen, Tuthill, Harrington, White River, Wood, Norris, Cedar Butte, Mission, Rosebud, Saint Francis, Parmelee, Winner, Colome, Witten, Hamill, Ideal, Hermosa, Buffalo Gap, Fairburn, Oral, Oelrichs, Smithwick, Pine Ridge, Oglala, Wounded Knee, Porcupine, Manderson, Batesland, Long Valley, Wanblee, and Potato Creek 341 AM MDT Mon Apr 20 2026 /441 AM CDT Mon Apr 20 2026/ ...VERY HIGH FIRE DANGER... The grassland fire danger index will reach the very high category this afternoon. Very poor weather conditions and very low moisture content of grasses, and other dry organic material on the ground, indicate that dangerous burning conditions exist. Fires will spread rapidly and show erratic behavior. Outdoor burning is not recommended. The outlook for Tuesday afternoon, The grassland fire danger index will reach the moderate category to high category. $$ SDZ026-210100- Rapid City- Including the city of Rapid City 341 AM MDT Mon Apr 20 2026 ...HIGH FIRE DANGER... The grassland fire danger index will reach the high category this afternoon. Unfavorable weather conditions and low moisture content of grasses, and other dry organic material on the ground, indicate that there is high potential for a fire to spread. Outdoor burning should be restricted to early morning or evening hours when wind speeds are usually lower and the relative humidity is higher. The outlook for Tuesday afternoon, The grassland fire danger index will reach the high category. $$ SDZ001-002-012>014-032-073-078-210100- Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach- Haakon-Southern Meade Co Plains-Southern Perkins- Including the cities of Buffalo, Camp Crook, Ladner, Ludlow, Redig, Reva, Lemmon, Shadehill, Meadow, Prairie City, Belle Fourche, Newell, Vale, Fruitdale, Belle Fourche Reservoir, Hoover, Faith, Mud Butte, Red Owl, Howes, Opal, Dupree, Glad Valley, Cherry Creek, South Eagle Butte, Philip, Midland, Milesville, Ellsworth AFB, Union Center, Elm Springs, Enning, White Owl, Usta, Bison, Sorum, and Zeona 341 AM MDT Mon Apr 20 2026 ...MODERATE FIRE DANGER... The grassland fire danger index will reach the moderate category this afternoon. Marginal weather conditions or a 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 Tuesday afternoon, The grassland fire danger index will reach the low category to moderate category. $$ SDZ025-072-210100- Northern Foothills-Sturgis/Piedmont Foothills- Including the cities of Spearfish, Whitewood, Saint Onge, Sturgis, Piedmont, Black Hawk, Summerset, and Tilford 341 AM MDT Mon Apr 20 2026 ...LOW FIRE DANGER... The grassland fire danger index will reach the low category this afternoon. Favorable weather conditions or a high moisture content of grasses, and other dry organic material on the ground, indicate that the probability of a fast moving fire is low. Outdoor burning under these conditions can usually be performed with reasonable safety precautions, but should be monitored. The outlook for Tuesday afternoon, The grassland fire danger index will reach the low category. $$