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.

Partly Cloudy and Breezy

79°F

26°C

Humidity 60%
Wind Speed S 23 G 29 mph
Barometer 29.81 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 May 7:55 pm CDT
Extended Forecast for

3 Miles SSW Dekalb IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers and
    Breezy

  • Monday

    Monday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 80. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Breezy.
    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 78. Breezy, with a south southwest wind 20 to 25 mph becoming west northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 66. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 80. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 63. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 78. Breezy, with a south southwest wind 20 to 25 mph becoming west northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 47. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 75.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Dekalb IL
 41.85°N 88.76°W
Last Update:
2:41 pm CDT May 17, 2026
Forecast Valid:
8pm CDT May 17, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation