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 with Haze

73°F

23°C

Humidity 76%
Wind Speed SE 7 mph
Barometer 29.99 in
Dewpoint 65°F (18°C)
Visibility 5.00 mi
Last update 13 Jun 3:35 pm CDT
Extended Forecast for

Cortland IL

  • This Afternoon

    This Afternoon: Scattered showers. Widespread haze. Mostly cloudy, with a high near 73. East southeast wind around 10 mph. Chance of precipitation is 50%.

    High: 73 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers before 4am. Widespread haze before 7pm. Mostly cloudy, with a low around 61. East northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    Low: 61 °F

    Scattered
    Showers

  • Saturday

    Saturday: Sunny, with a high near 82. East northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. East northeast wind 5 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84. East wind around 5 mph, with gusts as high as 15 mph.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers. Widespread haze. Mostly cloudy, with a high near 73. East southeast wind around 10 mph. Chance of precipitation is 50%.
Tonight
Scattered showers before 4am. Widespread haze before 7pm. Mostly cloudy, with a low around 61. East northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 82. East northeast wind around 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 59. East northeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 84. East wind around 5 mph, with gusts as high as 15 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 63.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68.
Wednesday
Showers and thunderstorms. Mostly cloudy, with a high near 83.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Juneteenth
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cortland IL
 41.94°N 88.7°W
Last Update:
2:41 pm CDT Jun 13, 2025
Forecast Valid:
3pm CDT Jun 13, 2025-6pm CDT Jun 19, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation