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Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

-13°F

-25°C

Humidity 50%
Wind Speed NA
Barometer 30.67 in
Dewpoint -26°F (-32°C)
Visibility 10.00 mi
Last update 23 Jan 9:15 am CST
Extended Forecast for

Cortland IL

Cold Weather Advisory January 23, 12:00pm until January 24, 09:00am
Extreme Cold Warning January 23, 09:25am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 23, 09:25am until January 23, 12:00pm

    NOW until 12:00pm Fri

    Extreme Cold Warning

  • Today

    High: -4 °F

    Sunny and
    Blustery then
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around -11. Wind chill values as low as -28. North wind 5 to 10 mph.

    Low: -11 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 6. Wind chill values as low as -24. North wind around 5 mph, with gusts as high as 10 mph.

    High: 6 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Cloudy, with a low around 2. Wind chill values as low as -7. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 2 °F

    Snow Likely

  • Sunday

    Sunday: A 50 percent chance of snow. Cloudy, with a high near 13. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 13 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -4.

    Low: -4 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and cold, with a high near -4. Wind chill values as low as -35. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around -11. Wind chill values as low as -28. North wind 5 to 10 mph.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 6. Wind chill values as low as -24. North wind around 5 mph, with gusts as high as 10 mph.
Saturday Night
Snow likely, mainly after midnight. Cloudy, with a low around 2. Wind chill values as low as -7. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A 50 percent chance of snow. Cloudy, with a high near 13. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -4.
Monday
Sunny and cold, with a high near 10.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 17.
Tuesday Night
Partly cloudy, with a low around 1.
Wednesday
Mostly sunny, with a high near 12.
Wednesday Night
Mostly cloudy, with a low around -3.
Thursday
Mostly sunny and cold, with a high near 10.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cortland IL
 41.92°N 88.67°W
Last Update:
9:17 am CST Jan 23, 2026
Forecast Valid:
9am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
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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