, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    1 - 5 of 90 days | All 90 days
    Next 5 Days
    • Today

      Sep 25

      60° /35°
      Partly sunny and cool
      More
    • Mon

      Sep 26

      64° /48°
      Sunny to partly cloudy
      More
    • Tue

      Sep 27

      63° /49°
      Periods of rain
      More
    • Wed

      Sep 28

      68° /52°
      Times of clouds and sun
      More
    • Thu

      Sep 29

      66° /54°F
      Mostly cloudy
    59°/57° RealFeel® 59°/56°
    Mostly cloudy
    • 5 mph
    • Precipitation: 25%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 93%
    • Cloud Cover: 83%
    • Dew Point: 56° F
    • Visibility: 7 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 66° 67° N/A 75°
    Low 54° 46° N/A 61°

    Sunrise/Sunset

    • Sunrise: 6:41 AM
    • Sunset: 6:28 PM
    • Duration: 11:47 hr

    Moonrise/Moonset

    • Moonrise: 5:10 AM
    • Moonset: 6:03 PM
    • Duration: 12:53 hr
    Astronomy

    Alton Weather Report

    Crisp fall air to bring first frost of season to parts of northeastern US

    September 25, 2016; 10:29 AM ET

    Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region to end this weekend. More >