National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 39.04°N 90.13°W (Text-Only)
NWS Forecast for: Brighton IL
Issued by: National Weather Service Saint Louis, MO
Last Update: 10:52 pm CDT Jul 12, 2025		Print

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Partly Cloudy



  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 85. Light and variable wind.

    High: 85 °F

    Chance
    T-storms


  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy



  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming southeast around 6 mph in the morning.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southeast wind 3 to 6 mph.

    Low: 72 °F

    Slight Chance
    T-storms


  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday
    Night

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

    Low: 72 °F

    Chance
    T-storms


  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Chance
    T-storms


  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms




    • Tonight: Partly cloudy, with a low around 71. Light and variable wind.

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 85. Light and variable wind.

    Sunday Night: Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming southeast around 6 mph in the morning.

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southeast wind 3 to 6 mph.

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.

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

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90.

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72.

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Friday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.


    Brighton IL
     39.04°N 90.13°W (Elev. 650 ft)

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