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

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

29°F

-2°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 29.89 in (1012.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 27 Feb 1:56 am CST
Extended Forecast for

6 Miles NNW Lanark IL

  • Overnight

    Overnight: Mostly clear, with a low around 26. South wind around 5 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Breezy, with a south wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 24. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 32. Northeast wind 5 to 10 mph.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 26. South wind around 5 mph.
Friday
Sunny, with a high near 60. Breezy, with a south wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Increasing clouds, with a low around 24. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 32. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Partly sunny, with a high near 33.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 39.
Monday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 25.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
A 40 percent chance of rain. Mostly sunny, with a high near 47.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
Rain likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
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:
2:12 am CST Feb 27, 2026
Forecast Valid:
2am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation