National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Overcast

47°F

8°C

Humidity 51%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 1 May 3:35 pm CDT
Extended Forecast for

De Kalb IL

Frost Advisory May 2, 01:00am until May 2, 08:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 50. North wind around 10 mph, with gusts as high as 15 mph.

    High: 50 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 34. East wind around 5 mph becoming calm after midnight.

    Low: 34 °F

    Slight Chance
    Showers then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 55. Light north northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 55 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. West wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 15 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 66 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 50. North wind around 10 mph, with gusts as high as 15 mph.
Tonight
A 20 percent chance of showers before 8pm. Widespread frost, mainly after 4am. Otherwise, partly cloudy, with a low around 34. East wind around 5 mph becoming calm after midnight.
Saturday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 55. Light north northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 40. West wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 15 mph.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 66. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 46.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 46.
Tuesday
A chance of showers. Partly sunny, with a high near 59.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
2:41 pm CDT May 1, 2026
Forecast Valid:
3pm CDT May 1, 2026-6pm CDT May 7, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation