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    Next 5 Days
    • Today

      Sep 29

      64° /42°
      Partly sunny and breezy
      More
    • Fri

      Sep 30

      61° /47°
      Cloudy, windy; a p.m. shower
      More
    • Sat

      Oct 1

      60° /49°F
      Cloudy with a bit of rain
    • Sun

      Oct 2

      59° /52°
      Cloudy with a shower
      More
    • Mon

      Oct 3

      62° /51°
      A brief shower or two
      More
    60°/55° RealFeel® 61°/55°
    A chance of rain
    • 5 mph
    • Precipitation: 58%
    • Rain: 0.04 in
    • Snow: 0 in
    • Humidity: 66%
    • Cloud Cover: 99%
    • Dew Point: 46° F
    • Visibility: 9 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/1/2015
    High 60° 66° N/A 63°
    Low 49° 45° N/A 46°

    Sunrise/Sunset

    • Sunrise: 6:43 AM
    • Sunset: 6:25 PM
    • Duration: 11:42 hr

    Moonrise/Moonset

    • Moonrise: 7:09 AM
    • Moonset: 6:59 PM
    • Duration: 11:50 hr
    Astronomy

    Alton Weather Report

    Persistent rain to raise flood risk in part of northeastern US late this week

    September 29, 2016; 4:55 AM ET

    Rain will spread over much of the northeastern U.S. into the weekend, but persistent downpours will raise the flood risk in part of the mid-Atlantic. More >