189  
WWUS73 KILX 271841  
NPWILX  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE LINCOLN IL  
141 PM CDT MON JUL 27 2026  
 
ILZ027>031-036>038-040>057-061>063-066>068-071>073-280200-  
/O.CON.KILX.XH.W.0002.000000T0000Z-260728T0200Z/  
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-  
SCHUYLER-MASON-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS-  
MENARD-SCOTT-MORGAN-SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-  
COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-  
CLAY-RICHLAND-LAWRENCE-  
INCLUDING THE CITIES OF MARSHALL, GALESBURG, GREENUP, NEWTON,  
PEKIN, NORMAL, DANVILLE, DECATUR, SHELBYVILLE, PEORIA, FLORA,  
LINCOLN, ROBINSON, LAWRENCEVILLE, CANTON, CHAMPAIGN, BEARDSTOWN,  
TAYLORVILLE, SPRINGFIELD, CHARLESTON, WINCHESTER, LACON,  
PETERSBURG, TOULON, BLOOMINGTON, RUSHVILLE, CLINTON, HAVANA,  
MONTICELLO, URBANA, PARIS, JACKSONVILLE, EFFINGHAM, SULLIVAN,  
EUREKA, TUSCOLA, OLNEY, AND MATTOON  
141 PM CDT MON JUL 27 2026  
 
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS  
EVENING...  
 
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 112.  
 
* WHERE...PORTIONS OF CENTRAL, EAST CENTRAL, SOUTHEAST, AND WEST  
CENTRAL ILLINOIS.  
 
* WHEN...UNTIL 9 PM CDT THIS EVENING.  
 
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING  
EXTREME HEAT AND HIGH HUMIDITY EVENTS.  
 
* ADDITIONAL DETAILS...THUNDERSTORMS COULD MOVE INTO AREA LATE THIS  
AFTERNOON OR EVENING, COOLING TEMPERATURES AND HEAT INDICES.  
 
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.  
 
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE  
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING  
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND  
HEAT STROKE.  
 
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND  
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN  
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT  
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN  
EMERGENCY! CALL 9 1 1.  
 

 
 

 
 
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