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FLUS43 KFSD 280907
HWOFSD
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
407 AM CDT SUN JUN 28 2026
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-290915-
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-
407 AM CDT SUN JUN 28 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.
ISOLATED STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE THROUGH 6-8
THIS MORNING AS STORMS CONTINUE TO MOVE EAST. 65 MPH WIND GUSTS ARE
THE MAIN THREAT.
DANGEROUS HEAT IS EXPECTED ESPECIALLY NEAR AND SOUTH OF I-90 THIS
AFTERNOON AND EARLY EVENING, WITH HEAT INDEX VALUES RANGING FROM 95
TO 105 DEGREES, HOTTEST IN THE SIOUX CITY METRO INTO NORTHWEST IOWA.
DAYS TWO THROUGH SEVEN
MONDAY THROUGH SATURDAY.
HEAT INDEX VALUES WILL CLIMB INTO THE LOWER 100S AT TIMES THROUGH
MONDAY EVENING. PLAN AHEAD NOW TO LIMIT RISK OF HEAT ILLNESS IF
SPENDING TIME OUTDOORS.
IF STORMS ARE ABLE TO DEVELOP ALONG A COLD FRONT LATE MONDAY INTO
MONDAY EVENING, SOME STRONG TO SEVERE STORMS ARE POSSIBLE. DETAILS
ON EXACT STORM LOCATION, TIMING AND COVERAGE ARE STILL UNCERTAIN.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
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