Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East

A significant, long-duration winter storm will bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Widespread travel disruptions, prolonged power outages, and vast tree damage is likely. Frigid temperatures, gusty winds, and dangerous wind chills will expand from the north-central US to the Southern Plains, MS Valley, and Midwest. Read More >

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Overcast

-8°F

-22°C

Humidity 61%
Wind Speed E 7 mph
Barometer 30.74 in (1043.9 mb)
Dewpoint -18°F (-28°C)
Visibility 10.00 mi
Wind Chill-23°F (-31°C)
Last update 24 Jan 6:56 am CST
Extended Forecast for

Savanna IL

Cold Weather Advisory January 24, 07:09am until January 24, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 24, 07:09am until January 24, 12:00pm

    NOW until 12:00pm Sat

    Cold Weather Advisory

  • Today

    High: 5 °F

    Cold

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 9pm.  Mostly cloudy, with a low around 1. Wind chill values as low as -5. Calm wind becoming north around 5 mph.

    Low: 1 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 11. Wind chill values as low as -10. North wind 5 to 10 mph.

    High: 11 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -5. Wind chill values as low as -15. Northwest wind around 5 mph.

    Low: -5 °F

    Mostly Clear

  • Monday

    Monday: Sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly cloudy and cold, with a high near 5. Wind chill values as low as -10. Calm wind.
Tonight
A 30 percent chance of snow, mainly before 9pm. Mostly cloudy, with a low around 1. Wind chill values as low as -5. Calm wind becoming north around 5 mph.
Sunday
Mostly cloudy, with a high near 11. Wind chill values as low as -10. North wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around -5. Wind chill values as low as -15. Northwest wind around 5 mph.
Monday
Sunny and cold, with a high near 10.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Mostly sunny, with a high near 19.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Partly sunny, with a high near 15.
Wednesday Night
Partly cloudy, with a low around -1.
Thursday
Sunny, with a high near 14.
Thursday Night
Mostly clear, with a low around 1.
Friday
Mostly sunny, with a high near 18.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Savanna IL
 42.09°N 90.16°W (Elev. 673 ft)
3:16 am CST Jan 24, 2026
7am CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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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