Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Des Moines IA
521 AM CDT Fri Sep 18 2026
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-191030-
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-
521 AM CDT Fri Sep 18 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...Today and tonight
Thunderstorms will continue across the northern half of Iowa this
morning, diminishing by midday. Additional thunderstorms develop
this afternoon and a few may be severe. Later in the evening and
overnight the threat transitions over to heavy rain. Heaviest
rain is expected in far northern Iowa and ponding or flash
flooding is possible.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Chances for thunderstorms with gusty winds and heavy rainfall
continue each day into the weekend. Flash flooding and river
flooding will also be concerns.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
&&
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.
$$
Hagenhoff
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
513 AM CDT Fri Sep 18 2026
IAZ001>003-013-014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ038>040-054>056-062-191015-
Lyon-Osceola-Dickinson-O`Brien-Clay-Cherokee-Buena Vista-Ida-Lincoln-
Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-Beadle-Kingsbury-
Brookings-Miner-Lake-Moody-Minnehaha-
513 AM CDT Fri Sep 18 2026
This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, east central South Dakota and southeast
South Dakota.
.DAY ONE...Today and tonight.
Rain and a few embedded thunderstorms early this morning will
diminish by midday. Additional rainfall amounts of a quarter inch to
near an inch will be possible through this evening, with highest
amounts in portions of southwest Minnesota. Poor drainage areas may
see ponding water.
If thunderstorms can redevelop in portions of northwest Iowa by late
afternoon, an isolated strong to severe storm will be possible. The
primary risk would be damaging wind gusts to 60 mph, though an
isolated tornado is also possible.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
0501 AM CDT Fri Sep 18 2026
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-191001-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
0501 AM CDT Fri Sep 18 2026
This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.
.DAY ONE...Through tonight.
There is a low probability of widespread hazardous weather.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Please go to https://weather.gov/media/eax/DssPacket.pdf for more information on
potential weather hazards.
.KEY MESSAGES...
- Quiet, Hot Weather Conditions Today
- Showers/Storms on Saturday
- Cold Front Sunday Leads to Cooler Temperatures Through Next Week
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
413 AM CDT Fri Sep 18 2026
NEZ004>010-022>029-035>038-056>059-069>071-094-190915-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
413 AM CDT Fri Sep 18 2026 /313 AM MDT Fri Sep 18 2026/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Today and tonight.
Patchy fog, with visibilities as low as one mile can be expected
through 9 AM CDT across portions of north central Nebraska.
Scattered thunderstorms are expected late this evening and overnight
across the western Sandhills, southwest and central Nebraska. Brief
heavy rainfall and gusty winds are possible.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
The threat for showers and thunderstorms will continue Saturday
through Sunday night. At this time, the severe threat appears low.
However, locally heavy rain is possible, mainly west of Highway 83.
Showers and thunderstorms remain possible across the area Monday
through Wednesday. At this time, the severe threat is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Hastings NE
226 AM CDT Fri Sep 18 2026
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
190730-
Phillips-Smith-Jewell-Rooks-Osborne-Mitchell-Valley-Greeley-Nance-
Sherman-Howard-Merrick-Polk-Dawson-Buffalo-Hall-Hamilton-York-
Gosper-Phelps-Kearney-Adams-Clay-Fillmore-Furnas-Harlan-Franklin-
Webster-Nuckolls-Thayer-
226 AM CDT Fri Sep 18 2026
This Hazardous Weather Outlook is for south central Nebraska and
portions of north central Kansas.
.DAY ONE...Today and Tonight.
Scattered thunderstorm development is possible along a cold front
during the evening to early overnight hours for areas along and
southeast of the Tri Cities. While severe weather is not
expected, the strongest storms could produce small hail and gusty
winds.
Additionally, scattered thunderstorms are expected to move into
northwestern portions of the area during the overnight hours.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Periodic thunderstorm chances are possible this weekend through
Thursday, with the overall best chances looking to be Saturday
night through Sunday night.
&&
More information may be obtained at the following web page:
https://www.weather.gov/hastings
$$
