Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

58°F

14°C

Humidity 29%
Wind Speed Vrbl 5 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 13 Nov 2:56 pm CST
Extended Forecast for

Lanark IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 54. Southeast wind around 5 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 66. South wind 5 to 10 mph.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. South wind 5 to 10 mph.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 54. Southeast wind around 5 mph.
Tonight
Clear, with a low around 37. South wind around 5 mph.
Friday
Sunny, with a high near 66. South wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 53. South wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 27.
Monday
Mostly sunny, with a high near 48.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Lanark IL
 42.11°N 89.83°W (Elev. 883 ft)
3:16 pm CST Nov 13, 2025
3pm CST Nov 13, 2025-6pm CST Nov 19, 2025
 
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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