Freeze Watch
Status
New Event Active alertStart Time
Wed 05/06/2026 11:00 PM EDTEnd Time
Thu 05/07/2026 10:00 AM EDTSignificance
WatchImpacts
Moderate impact
Locations Affected
Aurora, CO ∙ Denver, CO ∙ Lakewood, CO ∙ Fort Collins, CO ∙ Boulder, CO ∙ Thornton, CO ∙ Westminster, CO ∙ Centennial, CO ∙ Arvada, CO ∙ Longmont, COFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Denver CO 1259 PM MDT Mon May 4 2026 ...FREEZE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... * WHAT...Sub-freezing temperatures as low as 23 possible. * WHERE...Portions of east central, north central, and northeast Colorado. * WHEN...From Wednesday evening through Thursday 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.
Technical Header
COZ038>051-051900- /O.NEW.KBOU.FZ.A.0002.260507T0300Z-260507T1400Z/ 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 Golden, Stoneham, Forder, Elbert, Leader, Agate, Highlands Ranch, Brighton, City of Denver, Greeley, Wiggins, Limon, Longmont, Haxtun, Karval, Kiowa, Julesburg, Fort Collins, Denver International Airport, Akron, Merino, Larkspur, Sterling, Lakewood, Littleton, Otis, Roggen, Matheson, Kutch, Punkin Center, Pawnee Buttes, Raymer, Deer Trail, Fondis, Bennett, Hugo, Cope, Parker, Amherst, Fort Morgan, Peetz, Holyoke, Arvada, Grover, Loveland, Nunn, Boulder, Brush, Byers, Hereford, Fort Lupton, Goodrich, Crook, Ovid, Briggsdale, Eaton, Sedgwick, Aurora, Last Chance, and Castle Rock 1259 PM MDT Mon May 4 2026