NWS Forecast for: Decatur IL
Issued by: National Weather Service Lincoln, IL
Last Update: 7:43 am CDT Apr 18, 2024		Print

  • Today

    Today: Showers and thunderstorms, mainly after 5pm. High near 76. East southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Partly Sunny
    then T-storms

    High: 76 °F

  • Tonight

    Tonight: Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 44. West southwest wind 11 to 17 mph becoming north in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    T-storms then
    Chance
    Showers

    Low: 44 °F

  • Friday

    Friday: Mostly sunny, with a high near 58. North northwest wind around 11 mph, with gusts as high as 22 mph.

    Mostly Sunny


    High: 58 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 42. West northwest wind 8 to 10 mph, with gusts as high as 16 mph.

    Mostly Cloudy


    Low: 42 °F

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 55. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Decreasing
    Clouds

    High: 55 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 36. North northwest wind 7 to 13 mph, with gusts as high as 18 mph.

    Partly Cloudy


    Low: 36 °F

  • Sunday

    Sunday: Sunny, with a high near 57. Northwest wind 6 to 11 mph, with gusts as high as 17 mph.

    Sunny


    High: 57 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 37.

    Clear


    Low: 37 °F

  • Monday

    Monday: Sunny, with a high near 64.

    Sunny


    High: 64 °F



    • Today: Showers and thunderstorms, mainly after 5pm. High near 76. East southeast wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Tonight: Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 44. West southwest wind 11 to 17 mph becoming north in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Friday: Mostly sunny, with a high near 58. North northwest wind around 11 mph, with gusts as high as 22 mph.

    Friday Night: Mostly cloudy, with a low around 42. West northwest wind 8 to 10 mph, with gusts as high as 16 mph.

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 55. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Saturday Night: Partly cloudy, with a low around 36. North northwest wind 7 to 13 mph, with gusts as high as 18 mph.

    Sunday: Sunny, with a high near 57. Northwest wind 6 to 11 mph, with gusts as high as 17 mph.

    Sunday Night: Clear, with a low around 37.

    Monday: Sunny, with a high near 64.

    Monday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 49.

    Tuesday: A chance of showers. Partly sunny, with a high near 66.

    Tuesday Night: Mostly clear, with a low around 44.

    Wednesday: Mostly sunny, with a high near 64.


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

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