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.

Fog/Mist

51°F

11°C

Humidity 100%
Wind Speed E 7 mph
Barometer 29.93 in
Dewpoint 51°F (11°C)
Visibility 2.50 mi
Wind Chill48°F (9°C)
Last update 17 Apr 2:55 am CDT
Extended Forecast for

De Kalb IL

  • Overnight

    Overnight: Widespread fog. Otherwise, mostly cloudy, with a low around 54. Southeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 5pm. Widespread fog, mainly before 7am. Otherwise, partly sunny, with a high near 80. Breezy, with a southeast wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 80 °F

    Fog then
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and thunderstorms before 2am, then a chance of showers. Low around 40. Breezy, with a south wind around 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Breezy.
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 48. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 48 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Areas of frost after 2am. Otherwise, mostly clear, with a low around 32. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 50.

    High: 50 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread fog. Otherwise, mostly cloudy, with a low around 54. Southeast wind around 5 mph, with gusts as high as 15 mph.
Friday
A 30 percent chance of showers and thunderstorms after 5pm. Widespread fog, mainly before 7am. Otherwise, partly sunny, with a high near 80. Breezy, with a southeast wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Showers and thunderstorms before 2am, then a chance of showers. Low around 40. Breezy, with a south wind around 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 48. Breezy, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
Saturday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 32. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 50.
Sunday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 31.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
2:01 am CDT Apr 17, 2026
Forecast Valid:
3am CDT Apr 17, 2026-6pm CDT Apr 23, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation