Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
425 AM CDT Wed Aug 12 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-131100-
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-
425 AM CDT Wed Aug 12 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

A strong to severe storm system will move in from the west and
impact much of the Outlook Area this morning. Damaging winds,
potentially up to 70 mph, will be the primary risk. Brief spin-
up tornadoes will be a secondary risk. Much of the area is in a
Slight, level 2 out of 5, Risk for severe storms today. Locally
heavy rainfall and flooding will also be a concern

A Heat Advisory is in effect this afternoon and evening for areas
generally along and south of an Ottumwa, Iowa to Galesburg,
Illinois line. Heat Index readings will range from 100 to 105
degrees in these areas.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Rounds of strong to severe storms will again be possible Thursday
and Friday as the area continues to lay under an active storm
track. There is a Marginal, level 1 out of 5, Risk for severe
weather for the portions of the Outlook Area both days. Locally
heavy rain and flooding will also be a concern, especially
Thursday night when there will be the potentially for
thunderstorms moving repeatedly over the same areas.

There will continue to be an almost daily chance for thunderstorms
through the upcoming weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is likely today.

$$

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Hazard Report Provided By forecast.weather.gov