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.

Fair

11°F

-12°C

Humidity 77%
Wind Speed NA
Barometer 30.01 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Last update 15 Jan 8:15 am CST
Extended Forecast for

Marengo IL

  • Today

    Today: A chance of flurries with a slight chance of snow between 4pm and 5pm, then a chance of snow after 5pm. Mostly sunny, with a high near 25. North northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    High: 25 °F

    Mostly Sunny
    then Chance
    Snow

  • Tonight

    Tonight: Snow likely, mainly after 7pm. Cloudy, with a temperature falling to near 22 by 9pm, then rising to around 27 during the remainder of the night. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 22 °F⇑

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 30 mph.

    High: 35 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 13. Wind chill values as low as zero. West wind around 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers. Mostly cloudy, with a high near 17. West wind around 15 mph, with gusts as high as 25 mph.

    High: 17 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A chance of flurries before midnight. Mostly cloudy, with a low around 6.

    Low: 6 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries after noon. Mostly cloudy, with a high near 16.

    High: 16 °F

    Chance
    Flurries

  • Sunday Night

    Sunday Night: A chance of flurries before midnight. Mostly cloudy, with a low around 2.

    Low: 2 °F

    Chance
    Flurries

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 8. Blustery.

    High: 8 °F

    Cold and
    Blustery

Detailed Forecast

Today
A chance of flurries with a slight chance of snow between 4pm and 5pm, then a chance of snow after 5pm. Mostly sunny, with a high near 25. North northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Tonight
Snow likely, mainly after 7pm. Cloudy, with a temperature falling to near 22 by 9pm, then rising to around 27 during the remainder of the night. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 35. West wind around 15 mph, with gusts as high as 30 mph.
Friday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 13. Wind chill values as low as zero. West wind around 15 mph, with gusts as high as 25 mph.
Saturday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 17. West wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
A chance of flurries before midnight. Mostly cloudy, with a low around 6.
Sunday
A chance of flurries after noon. Mostly cloudy, with a high near 16.
Sunday Night
A chance of flurries before midnight. Mostly cloudy, with a low around 2.
M.L.King Day
Partly sunny and cold, with a high near 8. Blustery.
Monday Night
Partly cloudy, with a low around -3.
Tuesday
Mostly sunny, with a high near 12.
Tuesday Night
Mostly cloudy, with a low around 7.
Wednesday
Partly sunny, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
6:51 am CST Jan 15, 2026
Forecast Valid:
8am CST Jan 15, 2026-6pm CST Jan 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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