437
FLUS43 KFSD 200844
HWOFSD
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
344 AM CDT THU AUG 20 2026
SDZ038-039-050-052>054-057>060-063-064-210845-
BEADLE-KINGSBURY-GREGORY-JERAULD-SANBORN-MINER-BRULE-AURORA-DAVISON-
HANSON-CHARLES MIX-DOUGLAS-
344 AM CDT THU AUG 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL SOUTH DAKOTA, EAST
CENTRAL SOUTH DAKOTA, SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST
SOUTH DAKOTA.
DAY ONE
TODAY AND TONIGHT.
VERY ISOLATED STORMS MAY DEVELOP THIS AFTERNOON AND EVENING. IF A
STORM DEVELOPS, SEVERE WEATHER IS POSSIBLE WITH 2 INCH HAIL AND 70
MPH WIND GUSTS THE MAIN THREATS.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH WEDNESDAY.
A FEW STRONG TO SEVERE STORMS ARE POSSIBLE FRIDAY AFTERNOON AND
EVENING, SOUTH OF I-90.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION MAY BE NEEDED THURSDAY AFTERNOON AND EVENING.
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ040-055-056-061-062-065>071-210845-
LYON-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN-MURRAY-COTTONWOOD-NOBLES-JACKSON-
PIPESTONE-ROCK-DIXON-DAKOTA-BROOKINGS-LAKE-MOODY-MCCOOK-MINNEHAHA-
HUTCHINSON-TURNER-BON HOMME-YANKTON-UNION-
344 AM CDT THU AUG 20 2026
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST IOWA, WEST CENTRAL
IOWA, SOUTHWEST MINNESOTA, NORTHEAST NEBRASKA, EAST CENTRAL SOUTH
DAKOTA AND SOUTHEAST SOUTH DAKOTA.
DAY ONE
TODAY AND TONIGHT.
PATCHY FOG, INCLUDING DENSE FOG WITH VISIBILITY BELOW HALF A MILE
CONTINUES THROUGH 9 AM.
ISOLATED TO WIDELY SCATTERED STORMS MAY DEVELOP THIS AFTERNOON AND
EVENING. STORMS MAY QUICKLY BECOME STRONG TO SEVERE, WITH 2 INCH HAIL
AND 75 MPH WIND GUSTS THE MAIN THREATS.
DAYS TWO THROUGH SEVEN
FRIDAY THROUGH WEDNESDAY.
PATCHY FOG IS POSSIBLE FRIDAY MORNING.
A FEW STRONG TO SEVERE STORMS ARE POSSIBLE FRIDAY AFTERNOON AND
EVENING, SOUTH OF I-90.
SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION MAY BE NEEDED THURSDAY AFTERNOON AND EVENING.
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