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

58°F

14°C

Humidity 67%
Wind Speed Vrbl 7 mph
Barometer 29.91 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 4 Nov 7:56 pm CST
Extended Forecast for

6 Miles NNW Lanark IL

  • Tonight

    Tonight: Mostly clear, with a low around 47. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. Breezy, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 57 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 56. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after noon. Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Rain showers likely before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

    Low: 27 °F

    Showers
    Likely then
    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 47. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 57. Breezy, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 28. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 56. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Showers likely. Cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A 50 percent chance of showers after noon. Mostly cloudy, with a high near 50.
Saturday Night
Rain showers likely before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 19.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 20.
Veterans Day
Partly sunny, with a high near 45.
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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:
8:11 pm CST Nov 4, 2025
Forecast Valid:
8pm CST Nov 4, 2025-6pm CST Nov 11, 2025
 
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