Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
239 PM CDT Tue Aug 4 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-051945-
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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239 PM CDT Tue Aug 4 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...THIS AFTERNOON AND TONIGHT

There is a conditional low-end threat for severe storms late this
afternoon and evening south of I-80. The primary hazards will be
gusty winds and heavy rain. Multiple rounds of storms will be
seen overnight tonight, with heavy rain leading to a localized
flash flooding risk.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Additional rainfall Wednesday afternoon and evening poses a
localized flash flood threat, especially in areas that see
repeated rounds of storms. There is a Slight Risk, level 2 out of
4, for excessive rainfall south of Highway 20. There is also a
low-end threat for severe storms with a Marginal Risk, level 1 of
5, south of Highway 30 Wednesday. The primary hazards will be
lightning and gusty winds, but small hail and an isolated tornado
cannot be ruled out.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late this afternoon and evening.

$$

GROSS

Hazard Report Provided By forecast.weather.gov