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

31°F

-1°C

Humidity 85%
Wind Speed W 7 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 28 Feb 1:56 am CST
Extended Forecast for

6 Miles NNW Lanark IL

  • Overnight

    Overnight: Partly cloudy, with a low around 25. Northwest wind 5 to 10 mph.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 3pm. Mostly cloudy, with a high near 33. Northeast wind 5 to 10 mph.

    High: 33 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Increasing clouds, with a high near 33. Northeast wind around 5 mph.

    High: 33 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain and snow before midnight, then rain likely between midnight and 3am, then freezing rain likely after 3am. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

    Low: 29 °F

    Chance
    Rain/Snow
    then
    Rain/Freezing
    Rain Likely

  • Tuesday

    Tuesday: Rain, mainly before noon. High near 43. Chance of precipitation is 80%.

    High: 43 °F

    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Northwest wind 5 to 10 mph.
Saturday
A 30 percent chance of snow, mainly before 3pm. Mostly cloudy, with a high near 33. Northeast wind 5 to 10 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 33. Northeast wind around 5 mph.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 42.
Monday Night
A chance of rain and snow before midnight, then rain likely between midnight and 3am, then freezing rain likely after 3am. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Tuesday
Rain, mainly before noon. High near 43. Chance of precipitation is 80%.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
A 40 percent chance of rain after noon. Mostly sunny, with a high near 49.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
A 50 percent chance of rain. Cloudy, with a high near 59.
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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:
2:36 am CST Feb 28, 2026
Forecast Valid:
2am CST Feb 28, 2026-6pm CST Mar 6, 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