731
FLUS43 KFSD 060847
HWOFSD
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
347 AM CDT SUN SEP 6 2026
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-070900-
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-
347 AM CDT SUN SEP 6 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST IOWA, WEST CENTRAL
IOWA, SOUTHWEST MINNESOTA, NORTHEAST NEBRASKA, CENTRAL SOUTH
DAKOTA, EAST CENTRAL SOUTH DAKOTA, SOUTH CENTRAL SOUTH DAKOTA AND
SOUTHEAST SOUTH DAKOTA.
DAY ONE
TODAY AND TONIGHT.
PATCHY FOG MAY REDUCE VISIBILITY BELOW A MILE EAST OF I-29 THIS
MORNING.
THUNDERSTORMS RETURN TO THE AREA BY LATE MORNING, CONTINUING THROUGH
THE LATE AFTERNOON AND EVENING. ISOLATED STRONG STORMS MAY PRODUCE
HAIL TO THE SIZE OF A PING PONG BALL AND WIND GUSTS TO 65 MPH.
LOCALLY HEAVY RAINFALL IS POSSIBLE SUNDAY WITH ISOLATED TOTALS OF 2
TO 4 INCHES. SOME LOCATIONS WITH MULTIPLE ROUNDS OF THUNDERSTORMS
MAY EXCEED 4 INCHES OF RAINFALL THROUGH THIS EVENING.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY.
HOT AND HUMID AGAIN FOR MONDAY WITH HEAT INDEX VALUES IN THE 90S TO
NEAR 100 FOR AREAS ALONG THE SOUTHERN MISSOURI RIVER VALLEY.
PERIODIC STORM CHANCES CONTINUE INTO THE MIDDLE PART OF THE WEEK.
ISOLATED SEVERE STORMS AND LOCALLY HEAVY RAINFALL POSSIBLE.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION MAY BE NEEDED SUNDAY AND AGAIN AT TIMES EARLY
NEXT WEEK.
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