Active Weather Alerts
Fire Weather Watch
Issued: 8:11 AM Oct. 18, 2025 – National Weather Service
...FIRE WEATHER WATCH REMAINS IN EFFECT SUNDAY AFTERNOON FOR WIND AND LOW RELATIVE HUMIDITY FOR JEFFERSON, LINCOLN, AND EASTERN BOULDER COUNTIES, AS WELL AS THE PALMER DIVIDE... * AFFECTED AREA...Fire Weather Zones 216, 239, 241, 246 and 247. * TIMING...Sunday afternoon. * WINDS...Southwest 10 to 15 mph with gusts to 25 to 30 mph. * RELATIVE HUMIDITY...10 to 15 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 Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. &&
Frost Advisory
Issued: 8:06 AM Oct. 18, 2025 – National Weather Service
...FROST ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 8 AM MDT SUNDAY... * WHAT...Temperatures in the 32 to 36 degree range will result in frost formation. * WHERE...Boulder and Denver metro areas. * WHEN...From 10 PM this evening to 8 AM MDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. Patchy freezing temperatures will also be possible for the coldest locations, namely in and around Longmont and the suburbs north of Denver. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Move them indoors or cover with layers of blankets. &&
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