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    Next 5 Days
    • Current Weather

      38° F
      Cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 43%
      • Yesterday Temp: 47°
      • RealFeel: 26°
    • Tonight

      Apr 28

      29° Lo
      Mostly cloudy and cold
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      } Day Details
    • Tomorrow

      Apr 29

      52° Hi
      Partly sunny, breezy and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      } Day Details
    • Sunday

      Apr 30

      60° Hi
      Sunny and warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      } Day Details
    Next 6 Hours
    • 7PM

      Apr 28

      38°
      Mostly cloudy
      Precip 38%
    • 8PM

      37°
      Intermittent clouds
      Precip 0%
    • 9PM

      35°
      Intermittent clouds
      Precip 0%
    • 10PM

      33°
      Mostly cloudy
      Precip 0%
    • 11PM

      33°
      Mostly cloudy
      Precip 0%
    • 12AM

      33°
      Cloudy
      Precip 0%

    Boulder Pollen Levels Apr 28

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

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

     Up to a foot of snow could accumulate in the highest elevations in Colorado as cool weather overtakes the Western U.S.
    Snow to blanket Wyoming, Colorado through Saturday

    Allergies Live Feed

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps