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    Next 5 Days
    • Current Weather

      76° F
      Sunny
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Relative Humidity: 61%
      • Yesterday Temp: 76°
      • RealFeel: 74°
    • Tonight

      Aug 19

      60° Lo
      Clear
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      } Day Details
    • Tomorrow

      Aug 20

      88° Hi
      Humid with plenty of sunshine
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      } Day Details
    • Monday

      Aug 21

      85° Hi
      Partly sunny, warm and muggy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      } Day Details
    Next 6 Hours
    • 8PM

      Aug 19

      75°
      Clear
      Precip 0%
    • 9PM

      72°
      Clear
      Precip 0%
    • 10PM

      69°
      Clear
      Precip 0%
    • 11PM

      67°
      Clear
      Precip 0%
    • 12AM

      65°
      Clear
      Precip 0%
    • 1AM

      63°
      Clear
      Precip 0%

    Saint Charles Pollen Levels Aug 19

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

      Low

    • Ragweed Pollen

      High

    • Mold

      High

    • Grass Pollen

      Low

     Damaging storms will threaten parts of the central Plains and Upper Midwest with hail, damaging winds and heavy rain.
    Severe weather to target central US Sunday through Monday

    Allergies Live Feed

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps