Freeze Watch
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
115 AM MDT Mon May 18 2026
WYZ104-105-109>111-182230-
/O.CON.KCYS.FZ.A.0001.260519T0300Z-260519T1600Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-Central Carbon
County-North Snowy Range Foothills-Southwest Carbon County-
Including the cities of Elk Mountain, Arlington, Medicine Bow,
Shirley Basin, Baggs, Seminoe Dam, and Rawlins
115 AM MDT Mon May 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...
* WHAT...Sub-freezing temperatures as low as 15 possible.
* WHERE...Central Carbon County, Ferris/Seminoe/Shirley Mountains,
North Snowy Range Foothills, Shirley Basin, and Southwest Carbon
County.
* WHEN...From this evening through Tuesday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
115 AM MDT Mon May 18 2026
NEZ002-003-020-021-054-055-WYZ106-113-115>119-182230-
/O.CON.KCYS.FZ.A.0001.260519T0600Z-260519T1600Z/
Dawes County-Box Butte County-Banner County-Morrill County-
Kimball County-Cheyenne County-Central Laramie Range and
Southwest Platte County-Upper North Platte River Basin-Laramie
Valley-South Laramie Range-South Laramie Range Foothills-Central
Laramie County-East Laramie County-
Including the cities of Bridgeport, Chadron St Park, Bordeaux,
Horse Creek, Bosler, Federal, Redington, Whitaker, Saratoga,
Laramie, Buford, Pine Bluffs, Hemingford, Vedauwoo, Sidney,
Alliance, Brownson, Angora, Cheyenne, Kimball, Harrisburg,
Chadron, Bayard, Encampment, and Pumpkin Vine
115 AM MDT Mon May 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...
* WHAT...Sub-freezing temperatures as low as 16 possible.
* WHERE...Portions of panhandle Nebraska and south central and
southeast Wyoming.
* WHEN...From late tonight through Tuesday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
Trudel
URGENT - WEATHER MESSAGE
National Weather Service Pueblo CO
113 AM MDT Mon May 18 2026
COZ084-085-095-096-181515-
/O.CON.KPUB.FZ.A.0004.260519T0600Z-260519T1400Z/
Northern El Paso County/Monument Ridge/Rampart Range Below
7500 Feet-Colorado Springs Vicinity/Southern El Paso
County/Rampart Range Below 7400 Feet-Western Kiowa County-Eastern
Kiowa County-
Including Peterson Space Force Base, Black Forest, Colorado
Springs, Sheridan Lake, and Eads
113 AM MDT Mon May 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...
* WHAT...Sub-freezing temperatures as low as 28 possible.
* WHERE...Kiowa, and El Paso.
* WHEN...From late tonight through Tuesday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
Visit us at http://www.weather.gov/pub
Ehr
URGENT - WEATHER MESSAGE
National Weather Service Goodland KS
1212 AM MDT Mon May 18 2026
COZ090>092-182200-
/O.CON.KGLD.FZ.A.0003.260519T0600Z-260519T1400Z/
Yuma-Kit Carson-Cheyenne CO-
Including the cities of Burlington, Yuma, Cheyenne Wells,
Arapahoe, and Wray
1212 AM MDT Mon May 18 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...
* WHAT...Sub-freezing temperatures as low as 30 possible.
* WHERE...Cheyenne CO, Kit Carson, and Yuma Counties.
* WHEN...From late tonight through Tuesday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
To prevent water pipes from freezing; insulate or drain or allow
them to drip slowly.
Monitor the latest forecasts and warnings for updates.
&&
$$
Trigg
URGENT - WEATHER MESSAGE
National Weather Service Denver CO
1059 PM MDT Sun May 17 2026
COZ038>051-182000-
/O.CON.KBOU.FZ.A.0003.260519T0600Z-260519T1400Z/
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-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 Akron, Wiggins, Sedgwick, Deer Trail,
Littleton, Parker, Goodrich, Longmont, Holyoke, Larkspur, Fort
Lupton, Matheson, Last Chance, Stoneham, Elbert, Amherst, Bennett,
Karval, Fondis, Briggsdale, Highlands Ranch, Golden, Fort Collins,
Grover, Arvada, Hereford, Forder, Limon, Roggen, Raymer, Fort Morgan,
Julesburg, Peetz, Leader, Otis, Haxtun, Brush, Hugo, Agate, Brighton,
Aurora, Nunn, Denver International Airport, City of Denver, Punkin
Center, Cope, Loveland, Castle Rock, Byers, Eaton, Merino, Greeley,
Pawnee Buttes, Sterling, Ovid, Lakewood, Kiowa, Boulder, Kutch, and
Crook
1059 PM MDT Sun May 17 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY MORNING...
* WHAT...Sub-freezing temperatures as low as 30 possible.
* WHERE...The I-25 Urban Corridor and all of the plains of northeast
Colorado.
* WHEN...From late Monday night through early Tuesday morning.
* IMPACTS...Frost and freeze conditions could kill crops and other
sensitive vegetation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
63
URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
1013 PM MDT Sun May 17 2026
COZ001-002-182000-
/O.UPG.KGJT.FZ.A.0013.260519T0600Z-260519T1600Z/
/O.NEW.KGJT.FZ.W.0019.260519T0600Z-260519T1600Z/
/O.NEW.KGJT.FZ.A.0014.260520T0700Z-260520T1400Z/
Lower Yampa River Basin-Central Yampa River Basin-
Including the cities of Rangely, Dinosaur, Dinosaur National
Monument, Craig, Hayden, and Meeker
1013 PM MDT Sun May 17 2026
...FREEZE WARNING IN EFFECT FROM MIDNIGHT MONDAY NIGHT TO 10 AM MDT
TUESDAY...
...FREEZE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY
MORNING...
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as
21 expected. For the Freeze Watch, sub-freezing temperatures as
low as 24 possible.
* WHERE...Central Yampa River Basin and Lower Yampa River Basin.
* WHEN...For the Freeze Warning, from midnight Monday Night to 10 AM
MDT Tuesday. For the Freeze Watch, from late Tuesday night through
Wednesday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
BW
