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.
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