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    • Today

      Sep 25

      63° /39°F
      Partly sunny and breezy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Mon

      Sep 26

      67° /43°
      Sunny, breezy and cool
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      69° /42°
      Mostly sunny
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      67° /43°
      Mostly sunny
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      68° /48°
      Mostly sunny and beautiful
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    63°Hi RealFeel® 59° Precipitation 7%
    Breezy with clouds and sunshine
    • WNW 17 mph
    • Gusts: 32 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    39°Lo RealFeel® 33° Precipitation 3%
    Clear to partly cloudy and colder
    • WNW 8 mph
    • Gusts: 15 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

    Alton Pollen Levels Sep 25

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 63° 70° N/A 81°
    Low 39° 44° N/A 61°

    Sunrise/Sunset

    • Sunrise: 7:15 AM
    • Sunset: 7:15 PM
    • Duration: 12:00 hr

    Moonrise/Moonset

    • Moonrise: 1:50 AM
    • Moonset: 4:27 PM
    • Duration: 14:37 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps