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

39°F

4°C

Humidity 45%
Wind Speed Vrbl 6 mph
Barometer 29.49 in (999.2 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 24 Feb 3:56 pm CST
Extended Forecast for

6 Miles NNW Lanark IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 37. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 37 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 19. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Sunny, with a high near 33. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 33 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 18. Northwest wind around 5 mph becoming calm in the evening.

    Low: 18 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 37. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 19. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 33. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 18. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 26.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 37.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 32.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 34.
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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:
3:52 pm CST Feb 24, 2026
Forecast Valid:
4pm CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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