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    New: Official Warnings from National Meteorological Institutes Warning

    Warnings - Castle Rock

    World / United States / Colorado / Castle Rock

    39°22'N / 104°51'W / Altitude 1889 m / 10:45 2026/04/21, America/Denver (UTC-6)

    other

    Red Flag Warning issued April 21 at 5:18AM MDT until April 23 at 12:00AM MDT by NWS Denver CO

    From: 2026/04/21, 05:18
    To: 2026/04/21, 23:30

    * AFFECTED AREA...Fire Weather Zones 214, 215, 216, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251. * TIMING...From 10 AM Wednesday to midnight MDT Wednesday night. * WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 6 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.

    • Douglas,Elbert/Central and East Douglas Counties Above 6000 Feet
    • 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.
    • NWS Denver CO
    • 2026/04/21, 05:18