938
FNUS63 KFSD 081946
RFDFSD
RANGELAND FIRE DANGER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
246 PM CDT THU MAY 8 2025
DISCUSSION
DRY AND MOSTLY CLEAR CONDITIONS TODAY THROUGH SATURDAY. WINDS WILL
BE LIGHT, GENERALLY LESS THAN 10 MPH. DIRECTION WILL BE VARIABLE DUE
TO THE PASSAGE OF A COLD FRONT FRIDAY AFTERNOON INTO THE EVENING.
HIGHS WILL BE IN THE 70S-80S TODAY, AND THE MID 80S FRIDAY AND
SATURDAY.
SUNDAY WILL BE HOT, DRY, AND WINDY. HIGHS WILL CLIMB INTO THE MID
80S TO LOW 90S. WINDS WILL BE OUT OF THE SOUTH-SOUTHWEST AND
INCREASE THROUGH THE AFTERNOON. FREQUENT GUSTS OF 35-40 MPH, ARE
EXPECTED FOR AREAS WEST I-29. OCCASIONAL GUST TO 45 MPH ARE ALSO
POSSIBLE FOR THIS REGION. FOR AREAS TO THE EAST, SLIGHTLY WEAKER
GUSTS OF 25-35 MPH ARE EXPECTED. IN ADDITION, A VERY DRY AIR MASS
WILL SET UP OVER THE REGION, RESULTING IN RELATIVE HUMIDITY VALUES
FOR SUNDAY AFTERNOON FALLING TO 15-25%. A FIRE WEATHER WATCH IS IN
EFFECT SUNDAY FROM 11 AM UNTIL 10 PM.
HOT, DRY, AND WINDY CONDITIONS CONTINUE MONDAY AND TUESDAY. HIGHS
FOR BOTH DAYS WILL BE IN THE MID 80S TO LOW 90S. WINDS WILL SLACKEN
SLIGHTLY ON MONDAY, BUT CONTINUE TO GUST 30-40 MPH. RELATIVE
HUMIDITY WILL REMAIN IN NEAR CRITICAL TO CRITICAL RANGE, 20-25%.
TUESDAY HUMIDITY WILL BEGIN TO RECOVER SOMEWHAT, BUT THERE WILL
REMAIN PATCHY AREAS OF LESS THAN 25%. WINDS WILL AGAIN BE GUSTING 30-
35 MPH. ADDITIONAL FIRE HEADLINES MAY BE NECESSARY. WE WILL CONTINUE
TO MONITOR THE TRENDS.
WEDNESDAY CONDITIONS BEGIN TO IMPROVE WITH COOLER HIGHS IN THE 80S,
AND RELATIVE HUMIDITY RECOVERING TO 30% OR GREATER.
PLEASE BE CAUTIOUS WITH SOURCES OF SPARKS! REPORT ANY FIRES
IMMEDIATELY.
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-082300-
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-GREGORY-
JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-
MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-BON HOMME-
YANKTON-UNION-
OUTLOOK FOR FRIDAY AFTERNOON...THE GRASSLAND FIRE DANGER INDEX
WILL REACH THE LOW 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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