786  
WWUS75 KBOU 190955  
NPWBOU  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DENVER CO  
355 AM MDT SUN OCT 19 2025  
 
COZ038-041>051-191400-  
/O.CON.KBOU.FZ.W.0001.000000T0000Z-251019T1400Z/  
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-  
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-  
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-  
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-NORTH AND NORTHEAST  
ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-SOUTHEAST  
ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-LOGAN COUNTY-  
WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-  
INCLUDING THE CITIES OF GREELEY, FORDER, BRIGGSDALE, RAYMER,  
HAXTUN, NUNN, SEDGWICK, LARKSPUR, AKRON, FORT LUPTON, GROVER,  
LEADER, LOVELAND, MERINO, LIMON, HOLYOKE, ELBERT, COPE, DEER  
TRAIL, HEREFORD, WIGGINS, LAST CHANCE, FORT MORGAN, PUNKIN  
CENTER, STONEHAM, PAWNEE BUTTES, KUTCH, GOODRICH, BENNETT, FORT  
COLLINS, STERLING, CASTLE ROCK, EATON, OTIS, BYERS, HUGO,  
MATHESON, BRUSH, PEETZ, AMHERST, CROOK, KARVAL, OVID, KIOWA,  
JULESBURG, FONDIS, AGATE, AND ROGGEN  
355 AM MDT SUN OCT 19 2025  
   
..FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM MDT THIS MORNING
 
 
* WHAT...SUB-FREEZING TEMPERATURES IN THE 26 TO 32 DEGREE RANGE  
EXPECTED.  
 
* WHERE...MOST OF EAST CENTRAL, NORTH CENTRAL, AND NORTHEAST  
COLORADO.  
 
* WHEN...UNTIL 8 AM MDT THIS MORNING.  
 
* IMPACTS...FREEZING TEMPERATURES COULD KILL CROPS AND OTHER  
SENSITIVE VEGETATION, AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR  
PLUMBING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.  
 
TO PREVENT WATER PIPES FROM FREEZING; WRAP OR DRAIN OR ALLOW THEM TO  
DRIP SLOWLY.  
 

 
 

 
 
COZ039-040-191400-  
/O.CON.KBOU.FR.Y.0004.000000T0000Z-251019T1400Z/  
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-  
INCLUDING THE CITIES OF BOULDER, LONGMONT, DENVER INTERNATIONAL  
AIRPORT, PARKER, LITTLETON, BRIGHTON, HIGHLANDS RANCH, CITY OF  
DENVER, GOLDEN, AURORA, LAKEWOOD, AND ARVADA  
355 AM MDT SUN OCT 19 2025  
   
..FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT THIS MORNING
 
 
* WHAT...TEMPERATURES IN THE 32 TO 36 DEGREE RANGE WILL RESULT IN  
FROST FORMATION.  
 
* WHERE...BOULDER AND THE WESTERN SUBURBS OF DENVER, AND DENVER.  
 
* WHEN...UNTIL 8 AM MDT THIS MORNING.  
 
* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE  
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.  
 

 
 

 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/BOU  
 
GIMMESTAD  
 
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