Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
142 PM 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-MOZ009-010-121845-
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-
142 PM 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...THIS AFTERNOON AND TONIGHT

A heat advisory remains in effect until 8 PM for areas along and
south of a line from Sigourney, Iowa to Aledo, Illinois.

Isolated thunderstorms are possible this afternoon and tonight.
The entire area is in a marginal, level 1 out 5, risk for severe
storms. If a severe storm would occur, damaging wind would be the
primary risk.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Rounds of strong to severe storms will again be possible Wednesday
and Thursday as the area remains in the 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 not anticipated this afternoon or tonight.

$$

Special Weather Statement
National Weather Service Quad Cities IA IL
1138 AM CDT Tue Aug 11 2026

IAZ063>068-ILZ009-015>018-120100-
Iowa-Johnson-Cedar-Clinton-Muscatine-Scott-Whiteside-Rock Island-
Henry IL-Bureau-Putnam-
Including the cities of Marengo, Iowa City, Tipton, Clinton,
Muscatine, Davenport, Bettendorf, Sterling, Moline, Rock Island,
Geneseo, Princeton, and Hennepin
1138 AM CDT Tue Aug 11 2026

...Heat Indices Approaching 100 This Afternoon...

Hot and humid conditions will be seen across the area this
afternoon, especially the Interstate 80 corridor on south. Heat
indices are expected to be 95 to 100 for much of the afternoon
hours. Some localized areas may see heat indices briefly above 100
during the mid to late afternoon hours.

$$

Hazard Report Provided By forecast.weather.gov