Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
836 PM CDT Wed Sep 16 2026
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-180145-
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-
836 PM CDT Wed Sep 16 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.
Patchy dense fog is possible overnight into mid-Thursday morning.
Visibility may fall to 2 miles or less at times especially along the
Buffalo Ridge, rivers, streams, and valleys.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thunderstorm risks return late Thursday into Friday. Main risk will
be heavy rainfall along and north of I-90.
Friday evening a Marginal Risk (level 1 of 5) for strong to severe
storms exist for areas east of Highway 60 in northwest Iowa.
Marginally severe hail and damaging wind gusts are the primary
threats.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Des Moines IA
342 PM CDT Wed Sep 16 2026
IAZ004>007-015>017-023>028-033>039-044-045-172045-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-
342 PM CDT Wed Sep 16 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...This afternoon and tonight
An isolated shower or thunderstorm is possible tonight. Severe
weather is unlikely.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
Chances for thunderstorms and perhaps a strong storm with hail,
gusty winds, and heavy rainfall continue each day into the
weekend. Flash flooding and river flooding continues to be a
concern.
.SPOTTER INFORMATION STATEMENT...
&&
NWS Des Moines will discontinue the Hazardous Weather Outlook
product (HWO) on September 30th, 2026. Weather hazards and
outlooks will continue to be provided through the standard
forecast channels, including weather briefing packets, forecast
discussions, weather story graphics, the experimental graphical
hazardous weather outlook, and updated hazard messaging. All
local products and visual tools are accessible directly at
weather.gov/desmoines.
$$
Hazardous Weather Outlook
National Weather Service Grand Forks ND
336 PM CDT Wed Sep 16 2026
MNZ003-024-027>032-040-172045-
Clay-Hubbard-West Becker-East Becker-Wilkin-West Otter Tail-
East Otter Tail-Wadena-Grant-
336 PM CDT Wed Sep 16 2026
This hazardous weather outlook is for portions of west central
and northwest Minnesota.
.DAY ONE...This Afternoon and Tonight
Isolated thunderstorms embedded within showers are forecast
across portions of west-central Minnesota this afternoon into
early evening. The main hazard will be lightning.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated today.
$$
Hazardous Weather Outlook
National Weather Service Grand Forks ND
336 PM CDT Wed Sep 16 2026
NDZ006>008-014>016-024-026>030-038-039-049-052>054-172045-
Towner-Cavalier-Pembina-Benson-Ramsey-Eastern Walsh-Eddy-Nelson-
Grand Forks-Griggs-Steele-Traill-Barnes-Cass-Ransom-Sargent-
Richland-Western Walsh-
336 PM CDT Wed Sep 16 2026
This hazardous weather outlook is for portions of eastern North
Dakota.
.DAY ONE...This Afternoon and Tonight
Fog may develop in portions of eastern North Dakota tonight into
early Thursday. Fog may be dense.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated today.
$$
