NWS Forecast for: Madison IL
Issued by: National Weather Service Saint Louis, MO
Last Update: 9:59 am CDT Aug 18, 2019
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  • This
    Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 91. South wind around 8 mph.

    Chance
    T-storms

    High: 91 °F

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 73. South wind around 5 mph becoming calm  in the evening.

    Chance
    T-storms

    Low: 73 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 10am.  Mostly cloudy through mid morning, then becoming sunny, with a high near 92. Heat index values as high as 102. Calm wind.

    Chance
    T-storms

    High: 92 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 76. Calm wind.

    Partly Cloudy

    Low: 76 °F

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 97. Calm wind.

    Hot

    High: 97 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 77.

    Slight Chance
    T-storms

    Low: 77 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 92.

    Chance
    T-storms

    High: 92 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 72.

    Chance
    T-storms

    Low: 72 °F

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly cloudy, with a high near 86.

    Slight Chance
    T-storms

    High: 86 °F



  • This Afternoon: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 91. South wind around 8 mph.

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Monday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy through mid morning, then becoming sunny, with a high near 92. Heat index values as high as 102. Calm wind.

    Monday Night: Partly cloudy, with a low around 76. Calm wind.

    Tuesday: Mostly sunny and hot, with a high near 97. Calm wind.

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 92.

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 86.

    Thursday Night: Mostly cloudy, with a low around 67.

    Friday: Mostly sunny, with a high near 86.

    Friday Night: Partly cloudy, with a low around 67.

    Saturday: Mostly sunny, with a high near 88.



    Madison IL
     38.68°N 90.14°W (Elev. 407 ft)

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