776 

WWUS73 KDVN 290056

NPWDVN



URGENT - WEATHER MESSAGE

National Weather Service Quad Cities IA IL

756 PM CDT Sun Jun 28 2026



IAZ063>065-067-068-076>078-087>089-098-099-ILZ015-024>026-034-035-

MOZ009-010-290900-

/O.CON.KDVN.XH.W.0001.000000T0000Z-260701T0200Z/

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 Mount Pleasant, Rock Island, Muscatine,

Memphis, Burlington, Tipton, Oquawka, Kahoka, Washington, Iowa

City, Carthage, Davenport, Aledo, Keosauqua, Wapello, Sigourney,

Fairfield, Moline, Macomb, Bettendorf, Marengo, Monmouth, and

Fort Madison

756 PM CDT Sun Jun 28 2026



...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY...



* WHAT...Dangerously hot and humid conditions with multiple days of 

  heat index values of 100 to 110 expected, along with nighttime 

  lows not falling below the mid 70s.



* WHERE...Portions of northwest and west central Illinois, east 

  central and southeast Iowa, and northeast Missouri.



* WHEN...Until 9 PM CDT Tuesday.



* IMPACTS...Heat related illnesses increase significantly during 

  extreme heat and high humidity events.



* ADDITIONAL DETAILS...There is increasing likelihood that extreme 

  heat will persist through midweek and may last into late week. 

  Thunderstorms and associated clouds may interrupt the 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.



&&



$$



IAZ040>042-051>054-066-ILZ001-002-007-009-016>018-290900-

/O.CON.KDVN.XH.W.0001.260629T1700Z-260701T0200Z/

Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Clinton-Jo

Daviess-Stephenson-Carroll-Whiteside-Henry IL-Bureau-Putnam-

Including the cities of Maquoketa, Freeport, Sterling, Anamosa,

Geneseo, Vinton, Mount Carroll, Hennepin, Princeton, Clinton,

Galena, Manchester, Independence, Dubuque, and Cedar Rapids

756 PM CDT Sun Jun 28 2026



...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON MONDAY TO 9 PM 

CDT TUESDAY...



* WHAT...Dangerously hot and humid conditions with multiple days of 

  heat index values of 100 to 110 expected, along with nighttime 

  lows not falling below the mid 70s.



* WHERE...Portions of north central and northwest Illinois and east 

  central and northeast Iowa.



* WHEN...From noon Monday to 9 PM CDT Tuesday.



* IMPACTS...Heat related illnesses increase significantly during 

  extreme heat and high humidity events.



* ADDITIONAL DETAILS...There is increasing likelihood that extreme 

  heat will persist through midweek and may last into late week. 

  Thunderstorms and associated clouds may interrupt the 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.



&&



$$



Ervin