7-Day Forecast 39.67°N 89.7°W (Text-Only)
NWS Forecast for: Chatham IL
Issued by: National Weather Service Lincoln, IL
Last Update: 12:11 am CDT Jun 16, 2025
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  • Overnight

    Overnight: Mostly cloudy, with a low around 68. Light east wind.

    Low: 68 °F

    Mostly Cloudy


  • Monday

    Monday: Isolated showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 84. East wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Mostly Cloudy
    then Isolated
    T-storms

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 67. South wind 3 to 5 mph.

    Low: 67 °F

    Partly Cloudy


  • Tuesday

    Tuesday: Sunny, with a high near 88. Southwest wind 5 to 7 mph.

    High: 88 °F

    Sunny


  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 71. South wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: 71 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm.  Mostly cloudy, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    T-storms
    Likely

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 66. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny


  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear


  • Overnight: Mostly cloudy, with a low around 68. Light east wind.

    Monday: Isolated showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. East wind 3 to 6 mph. Chance of precipitation is 20%.

    Monday Night: Partly cloudy, with a low around 67. South wind 3 to 5 mph.

    Tuesday: Sunny, with a high near 88. Southwest wind 5 to 7 mph.

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. South wind 6 to 10 mph, with gusts as high as 17 mph.

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. West southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Juneteenth: Mostly sunny, with a high near 82.

    Thursday Night: Mostly clear, with a low around 64.

    Friday: Sunny, with a high near 86.

    Friday Night: Mostly clear, with a low around 71.

    Saturday: Sunny, with a high near 91.

    Saturday Night: Mostly clear, with a low around 74.

    Sunday: Sunny, with a high near 91.



    Chatham IL
     39.67°N 89.7°W (Elev. 600 ft)

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