570  
WWUS75 KBOU 200924  
NPWBOU  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DENVER CO  
324 AM MDT MON JUL 20 2026  
 
COZ038>040-043-210030-  
/O.CON.KBOU.HT.Y.0002.000000T0000Z-260721T0300Z/  
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND  
JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTH  
DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE  
COUNTIES/EAST BROOMFIELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-  
INCLUDING THE CITIES OF CITY OF DENVER, EATON, GREELEY, HIGHLANDS  
RANCH, HEREFORD, NUNN, LAKEWOOD, PARKER, DENVER INTERNATIONAL  
AIRPORT, LONGMONT, LOVELAND, GOLDEN, FORT COLLINS, BRIGHTON,  
LITTLETON, ARVADA, FORT LUPTON, BOULDER, AURORA, AND ROGGEN  
324 AM MDT MON JUL 20 2026  
   
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING  
 
* WHAT...HIGH TEMPERATURES 99 TO 103.  
 
* WHERE...FORT COLLINS, BOULDER, DENVER METRO, AND GREELEY.  
 
* WHEN...UNTIL 9 PM MDT THIS EVENING.  
 
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.  
 
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.  
 
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE  
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING  
OR EVENING.  
 
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.  
 
 
 
 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/BOU  
 
63  
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