111
WWUS73 KDVN 280152
NPWDVN
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
852 PM CDT SAT JUN 27 2026
IAZ051-052-063>065-067-068-076>078-087>089-098-099-ILZ015-024>026-
034-035-MOZ009-010-281000-
/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 KAHOKA, MOUNT PLEASANT, MONMOUTH,
MUSCATINE, OQUAWKA, TIPTON, VINTON, DAVENPORT, SIGOURNEY,
WASHINGTON, IOWA CITY, CARTHAGE, MACOMB, ALEDO, CEDAR RAPIDS,
ROCK ISLAND, MARENGO, KEOSAUQUA, FORT MADISON, MEMPHIS,
BETTENDORF, WAPELLO, BURLINGTON, MOLINE, AND FAIRFIELD
852 PM CDT SAT JUN 27 2026
...EXTREME HEAT WARNING REMAINS 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.
IAZ040>042-053-054-066-ILZ001-002-007-009-016>018-281000-
/O.CON.KDVN.XH.A.0001.260628T1800Z-260701T0200Z/
BUCHANAN-DELAWARE-DUBUQUE-JONES-JACKSON-CLINTON-JO DAVIESS-
STEPHENSON-CARROLL-WHITESIDE-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF STERLING, INDEPENDENCE, MOUNT CARROLL,
GALENA, CLINTON, GENESEO, MANCHESTER, ANAMOSA, DUBUQUE,
PRINCETON, HENNEPIN, MAQUOKETA, AND FREEPORT
852 PM CDT SAT JUN 27 2026
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH TUESDAY EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES EXCEEDING
100 DEGREES MULTIPLE DAYS.
* WHERE...PORTIONS OF NORTH CENTRAL AND NORTHWEST ILLINOIS AND EAST
CENTRAL AND NORTHEAST IOWA.
* WHEN...FROM SUNDAY AFTERNOON THROUGH TUESDAY EVENING.
* 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.
ERVIN
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