Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
413 AM CDT Tue Aug 11 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-121100-
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-
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413 AM CDT Tue Aug 11 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 storm complex, likely severe, will impact areas mainly
along and north of Interstate 80 this morning. Damaging winds,
potentially over 70 mph, will be the primary risk. Brief spin-up
tornadoes will be a secondary risk. Much of the area is in a
Slight to Enhanced, levels 2 and 3 out of 5, Risk for severe
storms.

A Heat Advisory remains in effect for areas generally along and
south of an Ottumwa, Iowa to Galesburg, Illinois line this
afternoon and evening.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Rounds of strong to severe storms will again be possible Wednesday
and Thursday 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.

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

.SPOTTER INFORMATION STATEMENT...

Spotter activation is likely today.

$$

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Hazard Report Provided By forecast.weather.gov