Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
302 AM CDT Fri Jul 17 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-180815-
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-
302 AM CDT Fri Jul 17 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

Wildfire smoke could result in unhealthy air quality for portions of
northwest Illinois. An Air Quality Alert remains in effect for Jo
Daviess and Stephenson Counties, through Friday evening.

Hot and humid conditions will persist today, with afternoon heat
index readings in the mid 90s to around 100 degrees.

Scattered storms are possible this afternoon and evening.
Lightning and brief heavy rains are the primary hazards.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Hot and humid conditions will persist into Saturday, with afternoon
heat index readings around 100 degrees. The prolonged period of hot
temperatures may pose a risk to those without adequate cooling, or
those who must spend extended time outdoors.

Scattered storms are expected Saturday afternoon and evening.
Isolated severe storms are possible Saturday, mainly east of the
Mississippi River with damaging winds the primary threat. All storms
will be accompanied by lightning and heavy downpours.

Additional storm chances are forecast early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today or tonight.

$$

DC

Special Weather Statement
National Weather Service Quad Cities IA IL
227 PM CDT Fri Jul 17 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-180100-
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-
Including the cities of Independence, Manchester, Dubuque,
Vinton, Cedar Rapids, Anamosa, Maquoketa, Marengo, Iowa City,
Tipton, Clinton, Muscatine, Davenport, Bettendorf, Sigourney,
Washington, Wapello, Fairfield, Mount Pleasant, Burlington,
Keosauqua, Fort Madison, Galena, Freeport, Mount Carroll,
Sterling, Moline, Rock Island, Geneseo, Princeton, Hennepin,
Aledo, Oquawka, Monmouth, Carthage, Macomb, Memphis, and Kahoka
227 PM CDT Fri Jul 17 2026

...Hot and humid conditions again this afternoon and early
evening...

Hot and humid conditions will be in place again across the entire
area this afternoon into the early evening, with heat indices
forecast between 95 to 100 degrees. Some isolated locations will
have heat indices above 100 degrees for a few hours. If you plan
to be outdoors for an extended period of time, make sure to drink
plenty of water, stay out of the sun, and take frequent breaks.
Conditions should improve after 8 PM this evening.

$$

12

Hazard Report Provided By forecast.weather.gov