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

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

-10°F

-23°C

Humidity 46%
Wind Speed N 13 mph
Barometer 30.74 in (1042.9 mb)
Dewpoint -25°F (-32°C)
Visibility 10.00 mi
Wind Chill-31°F (-35°C)
Last update 23 Jan 8:56 am CST
Extended Forecast for

Shannon IL

Cold Weather Advisory January 23, 12:00pm until January 24, 12:00pm
Extreme Cold Warning January 23, 09:25am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning January 23, 09:25am until January 23, 12:00pm

    NOW until 12:00pm Fri

    Extreme Cold Warning

  • Today

    High: -5 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around -8. Wind chill values as low as -25. North wind around 5 mph.

    Low: -8 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon.  Mostly cloudy and cold, with a high near 3. Wind chill values as low as -20. Northeast wind around 5 mph.

    High: 3 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly after midnight.  Cloudy, with a low around 0. Wind chill values as low as -10. Northeast wind 5 to 10 mph.

    Low: 0 °F

    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow before noon.  Mostly cloudy and cold, with a high near 10.

    High: 10 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -6.

    Low: -6 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 11.

    High: 11 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and cold, with a high near -5. Wind chill values as low as -35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a steady temperature around -8. Wind chill values as low as -25. North wind around 5 mph.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 3. Wind chill values as low as -20. Northeast wind around 5 mph.
Saturday Night
A 30 percent chance of snow, mainly after midnight. Cloudy, with a low around 0. Wind chill values as low as -10. Northeast wind 5 to 10 mph.
Sunday
A 30 percent chance of snow before noon. Mostly cloudy and cold, with a high near 10.
Sunday Night
Partly cloudy, with a low around -6.
Monday
Sunny, with a high near 11.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 17.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Mostly sunny, with a high near 12.
Wednesday Night
Partly cloudy, with a low around -4.
Thursday
Mostly sunny and cold, with a high near 10.
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ABOUT THIS FORECAST

 
Point Forecast:
Shannon IL
 42.15°N 89.74°W (Elev. 928 ft)
6:21 am CST Jan 23, 2026
9am CST Jan 23, 2026-6pm CST Jan 29, 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