Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Clinton Municipal Airport (KCWI)

Lat: 41.83°NLon: 90.33°WElev: 696ft.

Fair

5°F

-15°C

Humidity 79%
Wind Speed S 6 mph
Barometer 30.37 in (1030.6 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 20 Jan 8:56 am CST
Extended Forecast for

Fulton IL

  • Today

    Today: Increasing clouds, with a high near 23. Wind chill values as low as zero. South wind 5 to 10 mph.

    High: 23 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow likely, mainly between 11pm and 5am.  Cloudy, with a temperature rising to around 24 by 2am. Southeast wind 5 to 10 mph becoming northwest after midnight.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 19 °F

    Snow Likely

  • Wednesday

    Wednesday: Patchy blowing snow after 4pm. Mostly sunny, with a high near 30. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 30 °F

    Mostly Sunny
    then Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers before midnight.  Patchy blowing snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Wind chill values as low as -5. Southwest wind 10 to 15 mph becoming northwest in the evening. Winds could gust as high as 30 mph.

    Low: 9 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -9.

    Low: -9 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -1.

    High: -1 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -10.

    Low: -10 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 5.

    High: 5 °F

    Cold

Detailed Forecast

Today
Increasing clouds, with a high near 23. Wind chill values as low as zero. South wind 5 to 10 mph.
Tonight
Snow likely, mainly between 11pm and 5am. Cloudy, with a temperature rising to around 24 by 2am. Southeast wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday
Patchy blowing snow after 4pm. Mostly sunny, with a high near 30. West wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 40 percent chance of snow showers before midnight. Patchy blowing snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Wind chill values as low as -5. Southwest wind 10 to 15 mph becoming northwest in the evening. Winds could gust as high as 30 mph.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around -9.
Friday
Mostly sunny and cold, with a high near -1.
Friday Night
Mostly cloudy, with a low around -10.
Saturday
Mostly cloudy and cold, with a high near 5.
Saturday Night
Mostly cloudy, with a low around -5.
Sunday
Mostly sunny, with a high near 16.
Sunday Night
Partly cloudy, with a low around -2.
Monday
Sunny, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
Fulton IL
 41.88°N 90.17°W (Elev. 574 ft)
8:42 am CST Jan 20, 2026
9am CST Jan 20, 2026-6pm CST Jan 26, 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