National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 39.86°N 88.94°W (Text-Only)
NWS Forecast for: Decatur IL
Issued by: National Weather Service Lincoln, IL
Last Update: 7:42 pm CDT May 3, 2024		Print

  • Tonight

    Tonight: Mostly clear, with a low around 55. East northeast wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Mostly Clear



  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. East wind 6 to 8 mph becoming southwest in the afternoon.

    High: 82 °F

    Sunny then
    Chance
    T-storms

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am. Mostly cloudy, with a low around 58. West wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    T-storms
    Likely then
    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 73. Northeast wind 7 to 9 mph.

    High: 73 °F

    Partly Sunny



  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56. East wind 6 to 10 mph, with gusts as high as 16 mph.

    Low: 56 °F

    Chance
    Showers


  • Monday

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 75. Southeast wind around 10 mph, with gusts as high as 16 mph.

    High: 75 °F

    Chance
    Showers


  • Monday
    Night

    Monday Night: Showers likely after 1am. Mostly cloudy, with a low around 64. Southeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Partly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 81. Breezy. Chance of precipitation is 80%.

    High: 81 °F

    Showers and
    Breezy


  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely


    • Tonight: Mostly clear, with a low around 55. East northeast wind 5 to 9 mph, with gusts as high as 18 mph.

    Saturday: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. East wind 6 to 8 mph becoming southwest in the afternoon.

    Saturday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am. Mostly cloudy, with a low around 58. West wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Sunday: Partly sunny, with a high near 73. Northeast wind 7 to 9 mph.

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56. East wind 6 to 10 mph, with gusts as high as 16 mph.

    Monday: A 50 percent chance of showers. Partly sunny, with a high near 75. Southeast wind around 10 mph, with gusts as high as 16 mph.

    Monday Night: Showers likely after 1am. Mostly cloudy, with a low around 64. Southeast wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Tuesday: Showers and possibly a thunderstorm. High near 81. Breezy. Chance of precipitation is 80%.

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. Chance of precipitation is 60%.

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.

    Wednesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 60.

    Thursday: A chance of showers. Mostly sunny, with a high near 76.

    Thursday Night: A chance of showers. Partly cloudy, with a low around 54.

    Friday: Mostly sunny, with a high near 69.


    Decatur IL
     39.86°N 88.94°W (Elev. 682 ft)

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