Weather Alerts For Castle Rock, CO

URGENT - FIRE WEATHER MESSAGE National Weather Service Denver/Boulder CO 244 AM MST Fri Jan 16 2026 Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet- 244 AM MST Fri Jan 16 2026 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 6 PM MST THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR BOULDER, THE WESTERN DENVER METRO, AND PALMER DIVIDE... * AFFECTED AREA...Fire Weather Zones 239 and 241. * TIMING...From 11 AM this morning to 6 PM MST this evening. * WINDS...Northwest 20 to 30 mph with gusts up to 50 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. &&