NWS Forecast for: Dekalb IL
Issued by: National Weather Service Chicago, IL
Last Update: 5:15 pm CDT May 10, 2021
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  • Tonight

    Tonight: Isolated showers before 9pm.  Areas of frost after 5am.  Otherwise, mostly cloudy, with a low around 1. East wind 10 to 15 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 25 km/h.  Chance of precipitation is 20%.

    Isolated
    Showers then
    Areas Frost

    Low: 1 °C

  • Tuesday

    Tuesday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 14. North northeast wind 5 to 15 km/h, with gusts as high as 25 km/h.

    Frost then
    Sunny

    High: 14 °C

  • Tuesday
    Night

    Tuesday Night: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 0. East wind 10 to 15 km/h becoming light and variable  after midnight.

    Mostly Clear
    then Frost

    Low: 0 °C

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 17. North northeast wind 5 to 10 km/h.

    Frost then
    Sunny

    High: 17 °C

  • Wednesday
    Night

    Wednesday Night: Areas of frost after 3am.  Otherwise, mostly clear, with a low around 2. Northeast wind 5 to 10 km/h becoming south after midnight.

    Mostly Clear
    then Areas
    Frost

    Low: 2 °C

  • Thursday

    Thursday: Areas of frost before 8am.  Otherwise, mostly sunny, with a high near 19.

    Areas Frost
    then Mostly
    Sunny

    High: 19 °C

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 4.

    Partly Cloudy


    Low: 4 °C

  • Friday

    Friday: Mostly sunny, with a high near 21.

    Mostly Sunny


    High: 21 °C

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 8.

    Mostly Cloudy


    Low: 8 °C



  • Tonight: Isolated showers before 9pm. Areas of frost after 5am. Otherwise, mostly cloudy, with a low around 1. East wind 10 to 15 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 25 km/h. Chance of precipitation is 20%.

    Tuesday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 14. North northeast wind 5 to 15 km/h, with gusts as high as 25 km/h.

    Tuesday Night: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 0. East wind 10 to 15 km/h becoming light and variable after midnight.

    Wednesday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 17. North northeast wind 5 to 10 km/h.

    Wednesday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 2. Northeast wind 5 to 10 km/h becoming south after midnight.

    Thursday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 19.

    Thursday Night: Partly cloudy, with a low around 4.

    Friday: Mostly sunny, with a high near 21.

    Friday Night: Mostly cloudy, with a low around 8.

    Saturday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 19.

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 9.

    Sunday: A chance of showers. Partly sunny, with a high near 21.

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 12.

    Monday: A chance of showers. Partly sunny, with a high near 23.



    Dekalb IL
     41.9°N 88.76°W

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