Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

38°F

3°C

Humidity 83%
Wind Speed W 15 mph
Barometer 29.90 in (1013.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 12 Nov 4:56 am CST
Extended Forecast for

Lanark IL

  • Today

    Today: Sunny, with a high near 52. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 30. West wind 5 to 10 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55. Calm wind becoming south around 5 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. South wind around 5 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 52. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 30. West wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 55. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 34. South wind around 5 mph.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 27.
Monday
A 30 percent chance of rain. Mostly sunny, with a high near 47.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Lanark IL
 42.11°N 89.83°W (Elev. 883 ft)
5:11 am CST Nov 12, 2025
5am CST Nov 12, 2025-6pm CST Nov 18, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database