National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Overcast

37°F

3°C

Humidity 95%
Wind Speed NA
Barometer 30.16 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 9 Jan 10:15 pm CST
Extended Forecast for

Marengo IL

  • Tonight

    Tonight: A chance of rain between 2am and 4am, then rain and snow. Steady temperature around 36. Calm wind becoming south around 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Mostly Cloudy
    then
    Rain/Snow

  • Saturday

    Saturday: Rain and snow before 10am, then a chance of snow showers. Temperature falling to around 30 by 5pm. West northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F⇓

    Rain/Snow
    then Chance
    Snow Showers

  • Saturday Night

    Saturday Night: Scattered snow showers, mainly before midnight. Mostly cloudy, with a low around 19. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 19 °F

    Scattered
    Snow Showers
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 30. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 30 °F

    Partly Sunny
    and Blustery
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow after midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A chance of rain between 2am and 4am, then rain and snow. Steady temperature around 36. Calm wind becoming south around 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
Rain and snow before 10am, then a chance of snow showers. Temperature falling to around 30 by 5pm. West northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Scattered snow showers, mainly before midnight. Mostly cloudy, with a low around 19. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 30. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 23. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
A chance of rain. Mostly cloudy, with a high near 44.
Tuesday Night
A chance of rain and snow after midnight. Mostly cloudy, with a low around 26.
Wednesday
A chance of snow. Mostly cloudy, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20.
Friday
A chance of snow. Mostly cloudy, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
10:26 pm CST Jan 9, 2026
Forecast Valid:
10pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
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