Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
934 PM CDT Sun Aug 23 2026
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-250245-
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-
934 PM CDT Sun Aug 23 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...Tonight.
Scattered showers and storms are expected to develop through tonight.
Heavy rain is likely in any thunderstorm, though flash flooding is
not expected.
A very isolated severe storm with quarter-sized hail can`t be ruled
out mainly in south-central South Dakota through 4 am.
.DAYS TWO THROUGH SEVEN...Monday through Saturday.
Isolated to scattered storms are possible Monday evening, mainly
over portions of central and eastern South Dakota into western
Minnesota. An isolated strong to severe storm will be possible, with
large hail and damaging winds the primary threats.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed Monday evening.
$$
Hazardous Weather Outlook
National Weather Service Des Moines IA
123 PM CDT Sun Aug 23 2026
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-241830-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
123 PM CDT Sun Aug 23 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...This afternoon and tonight
A few thunderstorms will be possible in western Iowa late tonight.
Severe weather is not anticipated.
.DAYS TWO THROUGH SEVEN...Monday through Saturday
Additional thunderstorm chances return Tuesday and Tuesday night,
and again Friday and Saturday. Any chances for severe weather
will be assessed in the coming days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
