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.

Partly Cloudy

29°F

-2°C

Humidity 54%
Wind Speed Calm
Barometer 30.36 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 28 Nov 2:15 pm CST
Extended Forecast for

Marengo IL

Winter Storm Warning November 29, 03:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 30. West wind 5 to 10 mph.

    High: 30 °F

    Partly Sunny

  • Tonight

    Tonight: Snow, mainly after 3am. Low around 22. Calm wind becoming southeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Mostly Cloudy
    then Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 29. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 29 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow. Patchy blowing snow after 3am. Low around 26. East southeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Patchy blowing snow before 3pm. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 29 °F

    Chance Snow
    and Patchy
    Blowing Snow
    then Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 19.

    High: 19 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: A chance of snow before midnight. Mostly cloudy, with a low around 9.

    Low: 9 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 30. West wind 5 to 10 mph.
Tonight
Snow, mainly after 3am. Low around 22. Calm wind becoming southeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Snow. The snow could be heavy at times. High near 29. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow. Patchy blowing snow after 3am. Low around 26. East southeast wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 40 percent chance of snow before noon. Patchy blowing snow before 3pm. Mostly cloudy, with a high near 29. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 19.
Monday Night
A chance of snow before midnight. Mostly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 12.
Wednesday
Mostly cloudy, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 5.
Thursday
Mostly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
1:36 pm CST Nov 28, 2025
Forecast Valid:
2pm CST Nov 28, 2025-6pm CST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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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