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

53°F

12°C

Humidity 69%
Wind Speed SE 14 mph
Barometer 30.09 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 28 Apr 6:35 am CDT
Extended Forecast for

Cortland IL

  • Today

    Today: Mostly sunny, with a high near 80. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 80 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 65. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph.

    Low: 65 °F

    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: A slight chance of thunderstorms before 7am. Partly sunny, with a temperature falling to around 64 by 11am. Breezy, with a southwest wind 15 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 10%.

    High: 68 °F⇓

    Breezy.
    Slight Chance
    T-storms then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. North wind 5 to 10 mph becoming east northeast after midnight.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 62. East southeast wind around 10 mph, with gusts as high as 15 mph.

    High: 62 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Mostly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 80. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 65. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph.
Tuesday
A slight chance of thunderstorms before 7am. Partly sunny, with a temperature falling to around 64 by 11am. Breezy, with a southwest wind 15 to 25 mph becoming northwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 10%.
Tuesday Night
Partly cloudy, with a low around 43. North wind 5 to 10 mph becoming east northeast after midnight.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 62. East southeast wind around 10 mph, with gusts as high as 15 mph.
Wednesday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Thursday
Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47.
Friday
A chance of showers. Mostly sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cortland IL
 41.94°N 88.7°W
Last Update:
4:56 am CDT Apr 28, 2025
Forecast Valid:
6am CDT Apr 28, 2025-6pm CDT May 4, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation