Active Weather Alerts
Freeze Warning
Issued: 11:56 AM Oct. 20, 2025 – National Weather Service
...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 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...Boulder and the western suburbs of Denver, Denver, Castle Rock, and Byers. * WHEN...From midnight tonight to 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. &&
Red Flag Warning
Issued: 8:34 AM Oct. 20, 2025 – National Weather Service
...RED FLAG WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN FRONT RANGE FOOTHILLS, DENVER AND BOULDER METRO AREAS, PALMER DIVIDE, AND ADJACENT EASTERN PLAINS... * AFFECTED AREA...Fire Weather Zones 216, 239, 240, 241, 245, 246, 247 and 249. * TIMING...From 9 AM this morning to 6 PM MDT this evening. * WINDS...Northwest 25 to 35 mph with gusts up to 55 mph. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. &&
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