7-Day Forecast 38.68°N 90°W (Text-Only)
NWS Forecast for: Collinsville IL
Issued by: National Weather Service Saint Louis, MO
Last Update: 5:52 pm CDT May 29, 2024
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  • Tonight

    Tonight: Clear, with a low around 55. Light east wind.

    Low: 55 °F

    Clear



  • Thursday

    Thursday: Sunny, with a high near 78. Southeast wind 3 to 7 mph.

    High: 78 °F

    Sunny



  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 57. Southeast wind around 7 mph.

    Low: 57 °F

    Mostly Clear



  • Friday

    Friday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 80. Southeast wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 63. Southeast wind 8 to 10 mph.  Chance of precipitation is 60%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely


  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms


  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms


  • Tonight: Clear, with a low around 55. Light east wind.

    Thursday: Sunny, with a high near 78. Southeast wind 3 to 7 mph.

    Thursday Night: Mostly clear, with a low around 57. Southeast wind around 7 mph.

    Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80. Southeast wind 8 to 13 mph, with gusts as high as 21 mph.

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Southeast wind 8 to 10 mph. Chance of precipitation is 60%.

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 63.

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.

    Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

    Wednesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.



    Collinsville IL
     38.68°N 90°W (Elev. 499 ft)

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