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

A Couple of Fast Moving Storms Affecting Areas Along and East of the Rockies

A couple of storm systems will impact travel conditions through the first half of this weekend. Heavy snow from the mountains of the West will move into the upper Midwest and upper Great Lakes through tonight. Record warmth and Gulf moisture along and east of the Mississippi River will fuel severe thunderstorms, heavy rainfall, fog for the Tennessee Valley and deep South on Friday into Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fog/Mist

46°F

8°C

Humidity 96%
Wind Speed NA
Barometer 29.74 in
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Last update 8 Jan 11:35 am CST
Extended Forecast for

Marengo IL

  • Today

    Today: Showers, mainly after 2pm. High near 53. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms before midnight, then a chance of showers. Low around 40. Breezy, with a south southeast wind around 20 mph becoming west southwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 44. Breezy, with a west wind 15 to 20 mph becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 44 °F

    Chance
    Showers and
    Breezy then
    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow after midnight. Mostly cloudy, with a low around 31. North wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Snow likely, possibly mixed with rain, becoming all snow after noon. Mostly cloudy, with a high near 36. East northeast wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 36 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow before noon. Partly sunny, with a high near 29.

    High: 29 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, mainly after 2pm. High near 53. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before midnight, then a chance of showers. Low around 40. Breezy, with a south southeast wind around 20 mph becoming west southwest after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 44. Breezy, with a west wind 15 to 20 mph becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
A chance of rain and snow after midnight. Mostly cloudy, with a low around 31. North wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
Snow likely, possibly mixed with rain, becoming all snow after noon. Mostly cloudy, with a high near 36. East northeast wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19.
Sunday
A 20 percent chance of snow before noon. Partly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
A chance of rain and snow. Cloudy, with a low around 28.
Wednesday
A chance of snow. Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marengo IL
 42.24°N 88.62°W
Last Update:
11:18 am CST Jan 8, 2026
Forecast Valid:
11am CST Jan 8, 2026-6pm CST Jan 14, 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