999
WWUS75 KBOU 180806
NPWBOU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
206 AM MDT SAT OCT 18 2025
COZ038-041>051-182215-
/O.UPG.KBOU.FZ.A.0001.251019T0400Z-251019T1400Z/
/O.NEW.KBOU.FZ.W.0001.251019T0400Z-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 FORT LUPTON, BYERS, LEADER, PEETZ,
STERLING, NUNN, KIOWA, MATHESON, BRIGGSDALE, OVID, STONEHAM, LAST
CHANCE, AKRON, FORT COLLINS, DEER TRAIL, KUTCH, EATON, COPE,
FONDIS, KARVAL, HOLYOKE, FORT MORGAN, WIGGINS, AGATE, PUNKIN
CENTER, LARKSPUR, GOODRICH, BRUSH, GREELEY, SEDGWICK, HEREFORD,
ELBERT, LOVELAND, RAYMER, ROGGEN, MERINO, JULESBURG, GROVER,
FORDER, CASTLE ROCK, LIMON, HUGO, CROOK, PAWNEE BUTTES, BENNETT,
OTIS, HAXTUN, AND AMHERST
206 AM MDT SAT OCT 18 2025
...FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 8 AM MDT
SUNDAY...
* WHAT...SUB-FREEZING TEMPERATURES IN THE 26 TO 32 DEGREE RANGE
EXPECTED.
* WHERE...MOST OF EAST CENTRAL, NORTH CENTRAL, AND NORTHEAST
COLORADO.
* WHEN...FROM 10 PM THIS EVENING TO 8 AM MDT SUNDAY.
* 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 THOROUGHLY, OR
ALLOW THEM TO DRIP SLOWLY.
COZ039-040-182215-
/O.CON.KBOU.FR.Y.0004.251019T0400Z-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 ARVADA, BRIGHTON, HIGHLANDS RANCH, DENVER
INTERNATIONAL AIRPORT, LITTLETON, PARKER, AURORA, CITY OF DENVER,
GOLDEN, LAKEWOOD, LONGMONT, AND BOULDER
206 AM MDT SAT OCT 18 2025
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 8 AM
MDT SUNDAY...
* WHAT...TEMPERATURES IN THE 32 TO 36 DEGREE RANGE WILL RESULT IN
FROST FORMATION.
* WHERE...BOULDER AND DENVER METRO AREAS.
* WHEN...FROM 10 PM THIS EVENING TO 8 AM MDT SUNDAY.
* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. PATCHY FREEZING
TEMPERATURES WILL ALSO BE POSSIBLE FOR THE COLDEST LOCATIONS,
NAMELY IN AND AROUND LONGMONT AND THE SUBURBS NORTH OF DENVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD. MOVE THEM
INDOORS OR COVER WITH LAYERS OF BLANKETS.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT
HTTPS://WEATHER.GOV/BOU
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