NWS Forecast for: De Kalb IL
Issued by: National Weather Service Chicago, IL
Last Update: 2:15 pm CDT Jul 23, 2021
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  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Widespread haze. Mostly sunny, with a high near 87. Southwest wind around 10 mph.

    Slight Chance
    T-storms

    High: 87 °F

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Widespread haze. Partly cloudy, with a low around 71. South southwest wind 5 to 10 mph.

    Slight Chance
    T-storms then
    Haze

    Low: 71 °F

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm.  Widespread haze before 9am. Mostly sunny, with a high near 88. Heat index values as high as 96. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Haze then
    Chance
    T-storms

    High: 88 °F

  • Saturday
    Night

    Saturday Night: Scattered showers and thunderstorms before 1am.  Partly cloudy, with a low around 69. West wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 40%.

    Scattered
    T-storms

    Low: 69 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Northwest wind around 5 mph, with gusts as high as 10 mph.

    Mostly Sunny


    High: 90 °F

  • Sunday
    Night

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

    Partly Cloudy


    Low: 67 °F

  • Monday

    Monday: Sunny, with a high near 89.

    Sunny


    High: 89 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 69.

    Mostly Clear


    Low: 69 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    Mostly Sunny


    High: 89 °F



  • This Afternoon: A 20 percent chance of showers and thunderstorms. Widespread haze. Mostly sunny, with a high near 87. Southwest wind around 10 mph.

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Widespread haze. Partly cloudy, with a low around 71. South southwest wind 5 to 10 mph.

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Widespread haze before 9am. Mostly sunny, with a high near 88. Heat index values as high as 96. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Saturday Night: Scattered showers and thunderstorms before 1am. Partly cloudy, with a low around 69. West wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    Sunday: Mostly sunny, with a high near 90. Northwest wind around 5 mph, with gusts as high as 10 mph.

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

    Monday: Sunny, with a high near 89.

    Monday Night: Mostly clear, with a low around 69.

    Tuesday: Mostly sunny, with a high near 89.

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

    Wednesday: Mostly sunny, with a high near 90.

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

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



    De Kalb IL
     41.94°N 88.76°W

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