046
WWUS73 KDVN 290616
NPWDVN
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
116 AM CDT MON JUN 29 2026
IAZ063>065-067-068-076>078-087>089-098-099-ILZ015-024>026-034-035-
MOZ009-010-291615-
/O.EXT.KDVN.XH.W.0001.000000T0000Z-260702T0300Z/
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, MARENGO, WASHINGTON,
ALEDO, TIPTON, BETTENDORF, FAIRFIELD, IOWA CITY, KAHOKA, ROCK
ISLAND, WAPELLO, MACOMB, SIGOURNEY, OQUAWKA, DAVENPORT,
BURLINGTON, MONMOUTH, KEOSAUQUA, MUSCATINE, CARTHAGE, MOLINE,
MEMPHIS, AND FORT MADISON
116 AM CDT MON JUN 29 2026
..EXTREME HEAT WARNING NOW IN EFFECT UNTIL 10 PM CDT WEDNESDAY
* 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 TO UPPER 70S.
* WHERE...PORTIONS OF NORTHWEST AND WEST CENTRAL ILLINOIS, EAST
CENTRAL AND SOUTHEAST IOWA, AND NORTHEAST MISSOURI.
* WHEN...UNTIL 10 PM CDT WEDNESDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...THE EXTREME HEAT MAY PERSIST THROUGH LATE
WEEK, BUT THUNDERSTORMS AND ASSOCIATED CLOUDS MAY INTERRUPT THE
HEAT AT TIMES THURSDAY AND FRIDAY.
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>018-291615-
/O.EXT.KDVN.XH.W.0001.260629T1700Z-260702T0300Z/
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-CLINTON-JO
DAVIESS-STEPHENSON-CARROLL-WHITESIDE-HENRY IL-BUREAU-PUTNAM-
INCLUDING THE CITIES OF GENESEO, VINTON, CEDAR RAPIDS, MOUNT
CARROLL, PRINCETON, INDEPENDENCE, DUBUQUE, ANAMOSA, MAQUOKETA,
STERLING, MANCHESTER, HENNEPIN, FREEPORT, CLINTON, AND GALENA
116 AM CDT MON JUN 29 2026
...EXTREME HEAT WARNING NOW IN EFFECT FROM NOON TODAY TO 10 PM CDT
WEDNESDAY...
* 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 TO UPPER 70S.
* WHERE...PORTIONS OF NORTH CENTRAL AND NORTHWEST ILLINOIS AND EAST
CENTRAL AND NORTHEAST IOWA.
* WHEN...FROM NOON TODAY TO 10 PM CDT WEDNESDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS.
* ADDITIONAL DETAILS...THE EXTREME HEAT MAY PERSIST THROUGH LATE
WEEK, BUT THUNDERSTORMS AND ASSOCIATED CLOUDS MAY INTERRUPT THE
HEAT AT TIMES THURSDAY AND FRIDAY.
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
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