Active Weather Alerts
Freeze Warning
Issued: 3:55 AM Oct. 21, 2025 – National Weather Service
...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM MDT TUESDAY... * WHAT...Freezing or near freezing low temperatures between 29 and 34 degrees. The coldest readings will occur from Fort Collins through Longmont, and also east and south of Denver metro. * WHERE...Fort Collins, Boulder, Denver metro area, Castle Rock, and Byers. * WHEN...Until 8 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation. Damage may also occur to unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold, either moving them indoors or covering with blankets. To prevent water pipes from freezing, wrap or drain any above ground sprinkler systems. &&
Local Radar