National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

2°F

-17°C

Humidity 88%
Wind Speed Calm
Barometer 30.31 in (1027.9 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 1 Feb 6:56 am CST
Extended Forecast for

6 Miles NNW Lanark IL

  • Today

    Today: Snow likely, mainly between 10am and 3pm. Mostly cloudy, with a high near 26. Wind chill values as low as zero. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 26 °F

    Chance Snow
    then Snow
    Likely

  • Tonight

    Tonight: Snow likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 16. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Snow Likely
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. Northwest wind 5 to 10 mph.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 13. Northwest wind around 5 mph.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly between 10am and 3pm. Mostly cloudy, with a high near 26. Wind chill values as low as zero. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 16. Southwest wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 26. Northwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 13. Northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 36.
Thursday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 35.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Lanark IL
 42.17°N 89.89°W (Elev. 830 ft)
Last Update:
5:22 am CST Feb 1, 2026
Forecast Valid:
8am CST Feb 1, 2026-6pm CST Feb 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation