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: 5:11 am CDT May 29, 2024
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  • Today

    Today: Increasing clouds, with a high near 74. North wind 7 to 9 mph, with gusts as high as 15 mph.

    High: 74 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 50. North wind around 6 mph becoming east northeast after midnight.

    Low: 50 °F

    Mostly Clear


  • Thursday

    Thursday: Sunny, with a high near 75. East wind around 7 mph.

    High: 75 °F

    Sunny


  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 53. East southeast wind around 8 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Mostly Clear


  • Friday

    Friday: Sunny, with a high near 77. Southeast wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 77 °F

    Sunny


  • Friday
    Night

    Friday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 57. East southeast wind 8 to 10 mph, with gusts as high as 17 mph.  Chance of precipitation is 30%.

    Low: 57 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 75. South southeast wind around 11 mph, with gusts as high as 17 mph.  Chance of precipitation is 50%.

    High: 75 °F

    Chance
    T-storms

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm.  Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Today: Increasing clouds, with a high near 74. North wind 7 to 9 mph, with gusts as high as 15 mph.

    Tonight: Mostly clear, with a low around 50. North wind around 6 mph becoming east northeast after midnight.

    Thursday: Sunny, with a high near 75. East wind around 7 mph.

    Thursday Night: Mostly clear, with a low around 53. East southeast wind around 8 mph, with gusts as high as 15 mph.

    Friday: Sunny, with a high near 77. Southeast wind 9 to 11 mph, with gusts as high as 18 mph.

    Friday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 57. East southeast wind 8 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.

    Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. South southeast wind around 11 mph, with gusts as high as 17 mph. Chance of precipitation is 50%.

    Saturday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 61.

    Sunday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 80.

    Sunday Night: Partly cloudy, with a low around 64.

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 85.

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 83.



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

    Visit your local NWS office at: https://www.weather.gov/ilx