7-Day Forecast 41.9°N 88.76°W (Text-Only)
NWS Forecast for: Dekalb IL
Issued by: National Weather Service Chicago, IL
Last Update: 2:06 pm CDT Jun 15, 2024
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  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 85. South wind around 15 mph.

    High: 85 °F

    Mostly Sunny



  • Tonight

    Tonight: Mostly cloudy, with a low around 66. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Mostly Cloudy



  • Sunday

    Sunday: Isolated showers and thunderstorms before 11am.  Mostly sunny, with a high near 92. Heat index values as high as 97. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Isolated
    T-storms then
    Mostly Sunny
    and Breezy

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear



  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 97. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy



  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 90. Breezy.

    High: 90 °F

    Chance
    T-storms and
    Breezy

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy



  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • This Afternoon: Mostly sunny, with a high near 85. South wind around 15 mph.

    Tonight: Mostly cloudy, with a low around 66. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Sunday: Isolated showers and thunderstorms before 11am. Mostly sunny, with a high near 92. Heat index values as high as 97. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Sunday Night: Mostly clear, with a low around 75. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Monday Night: Partly cloudy, with a low around 75.

    Tuesday: A 30 percent chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Breezy.

    Tuesday Night: Partly cloudy, with a low around 73.

    Juneteenth: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90.

    Wednesday Night: Partly cloudy, with a low around 70.

    Thursday: A chance of showers and thunderstorms. Mostly sunny, with a high near 91.

    Thursday Night: Mostly cloudy, with a low around 69.

    Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 91.



    Dekalb IL
     41.9°N 88.76°W

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