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

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

16°F

-9°C

Humidity 51%
Wind Speed Vrbl 7 mph
Barometer 30.39 in (1030.3 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 20 Jan 10:56 am CST
Extended Forecast for

Coleta IL

  • Today

    Today: Increasing clouds, with a high near 23. Southwest wind 5 to 10 mph.

    High: 23 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after 10pm.  Temperature rising to around 25 by 2am. Southeast wind 5 to 10 mph becoming west after midnight.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow after 4pm.  Patchy blowing snow after 4pm. Partly sunny, with a high near 29. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Partly Sunny
    then Slight
    Chance Snow
    and Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly before 9pm.  Patchy blowing snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 8. Wind chill values as low as -5. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 8 °F

    Chance Snow
    and Patchy
    Blowing Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -11.

    Low: -11 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near -2.

    High: -2 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -12.

    Low: -12 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 3.

    High: 3 °F

    Cold

Detailed Forecast

Today
Increasing clouds, with a high near 23. Southwest wind 5 to 10 mph.
Tonight
Snow, mainly after 10pm. Temperature rising to around 25 by 2am. Southeast wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A 20 percent chance of snow after 4pm. Patchy blowing snow after 4pm. Partly sunny, with a high near 29. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of snow, mainly before 9pm. Patchy blowing snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 8. Wind chill values as low as -5. West wind around 15 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
Partly cloudy, with a low around -11.
Friday
Mostly sunny and cold, with a high near -2.
Friday Night
Partly cloudy, with a low around -12.
Saturday
Mostly cloudy and cold, with a high near 3.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
Mostly sunny, with a high near 15.
Sunday Night
Partly cloudy, with a low around -3.
Monday
Sunny, with a high near 16.
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ABOUT THIS FORECAST

 
Point Forecast:
Coleta IL
 41.93°N 89.78°W (Elev. 850 ft)
10:46 am CST Jan 20, 2026
11am 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