National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 41.54°N 89.1°W (Text-Only)
NWS Forecast for: Mendota IL
Issued by: National Weather Service Chicago, IL
Last Update: 4:12 pm CDT Jul 14, 2025		Print

  • Tonight

    Tonight: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear



  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the morning.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday
    Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. South southeast wind around 5 mph.

    Low: 69 °F

    Slight Chance
    T-storms


  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 96. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely


  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80.

    High: 80 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms


  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny



  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy



    • Tonight: Mostly clear, with a low around 65. Calm wind.

    Tuesday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the morning.

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. South southeast wind around 5 mph.

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 96. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80.

    Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62.

    Friday: Mostly sunny, with a high near 80.

    Friday Night: Partly cloudy, with a low around 66.

    Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 84.

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

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

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65.

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


    Mendota IL
     41.54°N 89.1°W

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