Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
234 PM CDT Sat Jun 27 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-281945-
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-
234 PM CDT Sat Jun 27 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

Isolated thunderstorms will be possible late tonight, especially
along and south of Highway 34. There is a low chance for a strong
to severe storm, with hail being the primary threat.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

Dangerous heat with afternoon heat index values over 100 degrees
is expected beginning Sunday and will likely continue well into
next week. Much of the area is under an Extreme Heat Warning from
Sunday through Tuesday evening, with some remaining under an
Extreme Heat Watch. Peak heat index values will be between 105 and
110.

.SPOTTER INFORMATION STATEMENT...

There is a low chance that spotter activation will be needed
tonight mainly south of the Highway 34 corridor.

$$

12/Gunkel

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
124 PM CDT Sat Jun 27 2026

IAZ051-052-063>065-067-068-076>078-087>089-098-099-ILZ015-024>026-
034-035-MOZ009-010-280230-
/O.UPG.KDVN.XH.A.0001.260628T1800Z-260701T0200Z/
/O.NEW.KDVN.XH.W.0001.260628T1800Z-260701T0200Z/
Benton-Linn-Iowa-Johnson-Cedar-Muscatine-Scott-Keokuk-Washington-
Louisa-Jefferson-Henry IA-Des Moines-Van Buren-Lee-Rock Island-
Mercer-Henderson-Warren-Hancock-McDonough-Scotland-Clark-
Including the cities of Rock Island, Davenport, Burlington, Mount
Pleasant, Washington, Carthage, Moline, Memphis, Oquawka,
Marengo, Vinton, Iowa City, Muscatine, Fairfield, Monmouth,
Tipton, Sigourney, Aledo, Keosauqua, Fort Madison, Macomb,
Bettendorf, Wapello, Kahoka, and Cedar Rapids
124 PM CDT Sat Jun 27 2026

...EXTREME HEAT WARNING IN EFFECT FROM 1 PM SUNDAY TO 9 PM CDT
TUESDAY...

* WHAT...Dangerously hot conditions with heat index values exceeding
  100 degrees multiple days, with several locations seeing upwards
  to 105 to 110.

* WHERE...Portions of northwest and west central Illinois, east
  central and southeast Iowa, and northeast Missouri.

* WHEN...From 1 PM Sunday to 9 PM CDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

* ADDITIONAL DETAILS...There is the possibility that excessive heat
  will last for much of next week. Thunderstorms and associated
  cloud debris may interrupt the excessive heat at times late in the
  week.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

Hazard Report Provided By forecast.weather.gov