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    • Early AM

      Jul 28

      63° Lo
      Partly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Today

      Jul 28

      80° /57°F
      Mostly sunny and pleasant
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Sat

      Jul 29

      79° /56°
      Mostly sunny and pleasant
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sun

      Jul 30

      82° /60°
      Nice with plenty of sunshine
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Jul 31

      85° /62°
      Partly sunny and pleasant
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    80°Hi RealFeel® 83° Precipitation 6%
    Mostly sunny and pleasant
    • Winds from the
    • NNE 10 mph
    • Gusts: 14 mph
    • Max UV Index: 8 (Very High)
    • Thunderstorms: 10%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    57°Lo RealFeel® 56° Precipitation 3%
    Mainly clear
    • Winds from the
    • NNE 6 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    St. Charles Pollen Levels Jul 28

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 7/28/2016
    High 80° 84° 91° (2006) 86°
    Low 57° 64° 53° (2013) 67°

    Sunrise/Sunset

    • Sunrise: 5:42 AM
    • Sunset: 8:17 PM
    • Duration: 14:35 hr

    Moonrise/Moonset

    • Moonrise: 10:26 AM
    • Moonset: 11:01 PM
    • Duration: 12:35 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps