Freeze Warning

Locations Affected

Aurora, CO ∙ Denver, CO ∙ Fort Collins, CO ∙ Lakewood, CO ∙ Boulder, CO ∙ Arvada, CO ∙ Centennial, CO ∙ Thornton, CO ∙ Westminster, CO ∙ Longmont, CO

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Denver CO 952 AM MDT Tue Oct 28 2025 ...FREEZE WARNING WILL EXPIRE AT 10 AM MDT THIS MORNING... ...FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM MDT WEDNESDAY... * WHAT...Lows between 19 and 25 degrees are expected Tuesday night into Wednesday morning. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, and Denver. * WHEN...From 10 PM this evening to 10 AM MDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Some areas within these zones have already experienced a killing freeze, particularly Weld County, Longmont and vicinity, and the northeast Denver metro. However, many of the more urban locations remain susceptible, and are expected to see a killing freeze Tuesday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold.

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