Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
233 PM CDT Thu Sep 3 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-041945-
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-
233 PM CDT Thu Sep 3 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

Impactful heat will continue across the area this afternoon and
tonight. Peak heat indices of 100 to 110 are expected. Heat
headlines continue for the entire area.

Isolated strong to severe storms are possible late tonight into
Friday morning, mainly north of Highway 30. The primary threat is
damaging winds with hail a secondary risk.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

The impactful heat and humidity will continue Friday and into the
holiday weekend. Peak heat indices of 95 to 105 are expected.

There is a daily risk of isolated thunderstorms with areas north
of Interstate 80 being favored. A few of these storms may be
strong to severe. The primary risk is damaging winds with hail a
secondary risk.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible late tonight for areas north of
Highway 30.

$$

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
833 PM CDT Thu Sep 3 2026

IAZ040>042-051>054-066-ILZ001-002-007-009-040945-
/O.CON.KDVN.HT.Y.0009.000000T0000Z-260905T0000Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Clinton-
JoDaviess-Stephenson-Carroll-Whiteside-
Including the cities of Independence, Sterling, Freeport, Vinton,
Mount Carroll, Manchester, Cedar Rapids, Galena, Maquoketa, Clinton,
Dubuque, and Anamosa
833 PM CDT Thu Sep 3 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT FRIDAY...

* WHAT...Heat index values of 100 to 105.

* WHERE...Portions of northwest Illinois and east central and
  northeast Iowa.

* WHEN...Until 7 PM CDT Friday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

* ADDITIONAL DETAILS...Thunderstorms and storm outflow may interrupt
  the heat at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

DC

Hazard Report Provided By forecast.weather.gov