NWS Forecast for: De Kalb IL
Issued by: National Weather Service Chicago, IL
Last Update: 7:15 pm CST Nov 18, 2019
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  • Tonight

    Tonight: A slight chance of rain and snow before 3am, then rain.  Patchy fog after 2am. Low around 32. Calm wind becoming southeast around 5 mph after midnight.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Cloudy then
    Rain/Snow and
    Patchy Fog

    Low: 32 °F

  • Tuesday

    Tuesday: Rain likely, mainly before 9am.  Patchy fog before 9am.  Otherwise, cloudy, with a high near 40. East southeast wind 5 to 10 mph becoming west northwest in the afternoon.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely
    and Patchy
    Fog then
    Cloudy

    High: 40 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 31. West northwest wind around 5 mph becoming calm  in the evening.

    Mostly Cloudy



    Low: 31 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. Light south wind becoming southeast 5 to 10 mph in the morning.

    Partly Sunny



    High: 45 °F

  • Wednesday
    Night

    Wednesday Night: Rain, mainly after midnight.  Low around 38. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%.

    Chance Rain
    then Rain


    Low: 38 °F

  • Thursday

    Thursday: Rain, mainly before noon.  High near 55. Breezy.  Chance of precipitation is 90%.

    Rain and
    Breezy then
    Chance Rain

    High: 55 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 25.

    Mostly Cloudy



    Low: 25 °F

  • Friday

    Friday: Mostly sunny, with a high near 36.

    Mostly Sunny



    High: 36 °F

  • Friday
    Night

    Friday Night: A slight chance of snow after midnight.  Partly cloudy, with a low around 25.

    Mostly Clear
    then Slight
    Chance Snow

    Low: 25 °F

  • Tonight: A slight chance of rain and snow before 3am, then rain. Patchy fog after 2am. Low around 32. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Tuesday: Rain likely, mainly before 9am. Patchy fog before 9am. Otherwise, cloudy, with a high near 40. East southeast wind 5 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Tuesday Night: Mostly cloudy, with a low around 31. West northwest wind around 5 mph becoming calm in the evening.

    Wednesday: Partly sunny, with a high near 45. Light south wind becoming southeast 5 to 10 mph in the morning.

    Wednesday Night: Rain, mainly after midnight. Low around 38. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Thursday: Rain, mainly before noon. High near 55. Breezy. Chance of precipitation is 90%.

    Thursday Night: Mostly cloudy, with a low around 25.

    Friday: Mostly sunny, with a high near 36.

    Friday Night: A slight chance of snow after midnight. Partly cloudy, with a low around 25.

    Saturday: A slight chance of rain and snow before 1pm, then a slight chance of rain between 1pm and 4pm, then a slight chance of rain and snow after 4pm. Partly sunny, with a high near 38.

    Saturday Night: Partly cloudy, with a low around 25.

    Sunday: Mostly sunny, with a high near 40.

    Sunday Night: Mostly cloudy, with a low around 28.

    Monday: Partly sunny, with a high near 42.



    De Kalb IL
     41.92°N 88.76°W

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