Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
726 AM CDT Sat Oct 31 2026
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-011100-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
726 AM CDT Sat Oct 31 2026
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
Isolated thunderstorms are possible mainly through noon.
Lightning is the main threat.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
There will be a chance for thunderstorms from late Monday through
Tuesday. The chance for severe weather during this time is still
uncertain.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not be expected for today or tonight.
$$
12
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
328 AM CDT Sat Oct 31 2026
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ039-040-054>056-061-062-066-067-069>071-010830-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Kingsbury-Brookings-Miner-Lake-Moody-
McCook-Minnehaha-Turner-Yankton-Union-
328 AM CDT Sat Oct 31 2026
This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, east central South
Dakota and southeast South Dakota.
.DAY ONE...Today and tonight.
Isolated thunderstorms may produce locally heavy rain through
daybreak today. Patchy fog will lead to visibility below 5 miles at
times.
Additional isolated storms are possible late this evening into
tonight.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
More widespread rainfall returns to the region Sunday night and into
Tuesday. Rainfall totals of one to two inches or more are possible.
Widespread flooding is currently not expected, but locally heavy rain
could lead to some isolated ponding or flooding. Although details are
uncertain, a stronger storm or two may develop Monday afternoon and
evening.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed Monday afternoon and evening.
&&
NWS Sioux Falls will discontinue the Hazardous Weather Outlook
product (HWO) on November 8, 2026. Weather hazards and outlooks
will continue to be provided through other standard NWS products,
including weather briefing packets, forecast discussions, weather
story graphics, the graphical hazardous weather outlook, and updated
hazard messaging. All local products and visual tools are accessible
directly at: weather.gov/siouxfalls.
$$
