660
FNUS63 KABR 100721
RFDABR
RANGELAND FIRE DANGER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
221 AM CDT THU SEP 10 2026
DISCUSSION
SOUTHWESTERLY WINDS WILL BE OCCURRING TODAY AND SHIFTING TO BE FROM
THE SOUTH OVERNIGHT. THE WINDS THIS AFTERNOON WILL BE GUSTING 15 TO
A LITTLE OVER 28 MPH, WITH THE STRONGEST WINDS OVER CORSON COUNTY
AND THE PRAIRIE COTEAU. THE MINIMUM RELATIVE THIS AFTERNOON WILL BE
BETWEEN 30 TO 45 PERCENT EAST OF THE JAMES RIVER, AND BETWEEN 30 TO
15 PERCENT TO THE WEST. THE AREAS WEST OF THE MISSOURI RIVER WILL
SEE THE LOWEST HUMIDITY VALUES, BETWEEN 15 TO 25 PERCENT. THERE IS
SOME ELEVATED FIRE WEATHER CONCERN OVER AREAS WEST OF THE MISSOURI
RIVER DUE TO THE LOW HUMIDITY VALUES. HOWEVER, THE MARGINAL STRENGTH
WINDS HELP TO KEEP THE GRASSLAND FIRE DANGER INDEX VALUES ONLY IN
HIGH.
THE WINDS WILL DECREASE SLIGHTLY AS THEY TURN DURING THE EVENING AND
THEN PICK UP AGAIN OVERNIGHT AS A LOW LEVEL JET WILL BE MIXING
STRONGER WINDS TO THE SURFACE. THE OVERNIGHT WINDS INTO THE MORNING
WILL BE STRONGEST OVER NORTHEASTERN SD AND ALONG THE EASTERN EDGE OF
THE PRAIRIE COTEAU, WITH GUSTS OF 25 TO 30 MPH. THE WINDS WILL SHIFT
TO BE FROM THE NORTHWEST DURING FRIDAY AFTERNOON AND EVENING AS A
COLD FRONT MOVES IN FROM THE NORTHWEST, WITH WINDS INCREASING OVER
CENTRAL SD BEHIND THE FRONT. THESE WINDS COULD GUST UP AROUND 30 TO
40 MPH. THE HUMIDITY WILL RISE SLIGHTLY OVER NORTH CENTRAL SOUTH
DAKOTA FRIDAY INTO THE 35 TO 40 PERCENT, HOWEVER SOUTH CENTRAL SOUTH
DAKOTA, AREAS SOUTH OF PIERRE, WILL SEE THE HUMIDITY DROP BETWEEN 15
TO 25 PERCENT. THE LOWER HUMIDITY AND THE STRONGER WINDS ARE RAISING
THE FIRE WEATHER CONCERNS FRIDAY, WITH THE GRASSLAND FIRE DANGER
INDEX VALUES GETTING INTO VERY HIGH.
SDZ003-015-033-102130-
CORSON-DEWEY-STANLEY-
INCLUDING THE CITIES OF MCINTOSH, ISABEL, AND FORT PIERRE
221 AM CDT THU SEP 10 2026 /121 AM MDT THU SEP 10 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 HIGH TO VERY HIGH CATEGORY.
SDZ004-005-009-010-016>019-034>037-045-048-051-102130-
CAMPBELL-MCPHERSON-WALWORTH-EDMUNDS-POTTER-FAULK-SPINK-CLARK-SULLY-
HUGHES-HYDE-HAND-JONES-LYMAN-BUFFALO-
INCLUDING THE CITIES OF HERREID, EUREKA, MOBRIDGE, IPSWICH,
GETTYSBURG, FAULKTON, REDFIELD, CLARK, ONIDA, PIERRE, HIGHMORE,
MILLER, MURDO, KENNEBEC, AND FORT THOMPSON
221 AM CDT THU SEP 10 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 MODERATE TO VERY HIGH CATEGORY.
MNZ039-046-SDZ006>008-011-020>023-102130-
TRAVERSE-BIG STONE-BROWN-MARSHALL-ROBERTS-DAY-CODINGTON-GRANT-HAMLIN-
DEUEL-
INCLUDING THE CITIES OF WHEATON, ORTONVILLE, ABERDEEN, BRITTON,
SISSETON, WEBSTER, WATERTOWN, MILBANK, HAYTI, AND CLEAR LAKE
221 AM CDT THU SEP 10 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 TO MODERATE CATEGORY.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page