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 >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

3°F

-16°C

Humidity 44%
Wind Speed Calm
Barometer 30.61 in (1038.4 mb)
Dewpoint -14°F (-26°C)
Visibility 10.00 mi
Last update 24 Jan 12:56 pm CST
Extended Forecast for

6 Miles NNW Lanark IL

  • This Afternoon

    This Afternoon: Mostly cloudy and cold, with a high near 3. Wind chill values as low as -5. Calm wind becoming northeast around 5 mph.

    High: 3 °F

    Cold

  • Tonight

    Tonight: A slight chance of snow between 7pm and 1am.  Mostly cloudy, with a low around 0. Wind chill values as low as -10. Calm wind becoming north around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 0 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly cloudy and cold, with a high near 10. Wind chill values as low as -15. North wind 5 to 10 mph.

    High: 10 °F

    Cold

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -5. Wind chill values as low as -20. Northwest wind around 10 mph.

    Low: -5 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Monday Night

    Monday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 0 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 13.

    High: 13 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy and cold, with a high near 3. Wind chill values as low as -5. Calm wind becoming northeast around 5 mph.
Tonight
A slight chance of snow between 7pm and 1am. Mostly cloudy, with a low around 0. Wind chill values as low as -10. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
Mostly cloudy and cold, with a high near 10. Wind chill values as low as -15. North wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around -5. Wind chill values as low as -20. Northwest wind around 10 mph.
Monday
Sunny and cold, with a high near 9.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Mostly cloudy, with a high near 13.
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 17.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Lanark IL
 42.17°N 89.89°W (Elev. 830 ft)
11:21 am CST Jan 24, 2026
1pm CST Jan 24, 2026-6pm CST Jan 30, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database