Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
408 AM CDT Sun Jun 28 2026

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-291100-
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-
408 AM CDT Sun Jun 28 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

There is a chance that thunderstorms will move down out of South
Dakota and into portions of the Outlook Area late this morning
through mid afternoon, especially along and north of Interstate
80. Some of these storms may be strong to severe with damaging
winds and large hail the primary hazards. There is a Slight Risk
or Level 2 out of 5 for severe weather generally along and north
of Interstate 80 west of the Mississippi River. A Level 1 out of 5
Risk is in place for northwest Illinois along and north of
Interstate 80.

Dangerous heat with afternoon heat index values over 100 degrees
is expected across areas generally along and south of Interstate
80 today. These areas are under an Extreme Heat Warning this
afternoon and tonight.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Dangerous heat with afternoon heat index values over 100 degrees
is expected across the entire area Monday through at least mid
week. The entire area is under an Extreme Heat Warning Monday
through Tuesday evening for peak heat index values between 105
and 110 degrees. Depending on storms and associated cloud cover,
the Extreme Heat Warning may need to be extended later in the
week.

.SPOTTER INFORMATION STATEMENT...

There is a chance that spotter activation will be needed today,
especially along and north of the Interstate 80 corridor.

$$

12

URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
121 AM CDT Sun Jun 28 2026

IAZ051-052-063>065-067-068-076>078-087>089-098-099-ILZ015-024>026-
034-035-MOZ009-010-281430-
/O.CON.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 Tipton, Cedar Rapids, Marengo, Moline,
Wapello, Mount Pleasant, Aledo, Iowa City, Memphis, Fairfield,
Fort Madison, Rock Island, Oquawka, Monmouth, Muscatine, Kahoka,
Keosauqua, Burlington, Washington, Carthage, Macomb, Bettendorf,
Vinton, Sigourney, and Davenport
121 AM CDT Sun Jun 28 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON
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 this afternoon 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.

&&

$$

12

Hazard Report Provided By forecast.weather.gov