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    Next 5 Days
    • Current Weather

      28° F
      Light snow/fog
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 92%
      • Yesterday Temp: 33°
      • RealFeel: 10°
    • Today

      Apr 29

      30° Hi
      Much colder with snow, 1-3"
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      } Day Details
    • Tomorrow

      Apr 30

      45° Hi
      Partly sunny; windy, warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      } Day Details
    • Monday

      May 1

      53° Hi
      Warmer with clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      } Day Details
    Next 6 Hours
    • 5PM

      Apr 29

      30°
      Snow
      Precip 60%
    • 6PM

      28°
      Snow
      Precip 62%
    • 7PM

      27°
      Cloudy
      Precip 49%
    • 8PM

      26°
      Snow
      Precip 51%
    • 9PM

      25°
      Cloudy
      Precip 47%
    • 10PM

      25°
      Cloudy
      Precip 47%

    Castle Rock Pollen Levels Apr 29

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

     Flooding and severe storms will threaten lives and property in the central U.S. this weekend.
    Severe storms, flooding to slam central US this weekend

    Allergies Live Feed

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps