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.

Mostly Cloudy

15°F

-9°C

Humidity 69%
Wind Speed NA
Barometer 29.91 in
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 18 Jan 1:35 pm CST
Extended Forecast for

De Kalb IL

Cold Weather Advisory January 19, 03:00am until January 19, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: A chance of flurries before 4pm, then snow, mainly after 5pm. High near 17. Wind chill values as low as 1. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.

    High: 17 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 10pm, then isolated snow showers after midnight. Low around -2. Wind chill values as low as -23. Blustery, with a southwest wind 10 to 15 mph becoming northwest 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: -2 °F

    Snow then
    Isolated Snow
    Showers and
    Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 6. Wind chill values as low as -26. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 6 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values as low as -14. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 2 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 20. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 20 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 26.

    High: 26 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 16.

    High: 16 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of flurries before 4pm, then snow, mainly after 5pm. High near 17. Wind chill values as low as 1. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 10pm, then isolated snow showers after midnight. Low around -2. Wind chill values as low as -23. Blustery, with a southwest wind 10 to 15 mph becoming northwest 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
M.L.King Day
Mostly sunny and cold, with a high near 6. Wind chill values as low as -26. Blustery, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values as low as -14. West wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 20. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 7.
Thursday
Mostly sunny, with a high near 16.
Thursday Night
Mostly cloudy, with a low around 4.
Friday
Partly sunny, with a high near 15.
Friday Night
Mostly cloudy, with a low around -3.
Saturday
Partly sunny and cold, with a high near 7.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
1:31 pm CST Jan 18, 2026
Forecast Valid:
1pm CST Jan 18, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation