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 and Breezy

59°F

15°C

Humidity 31%
Wind Speed W 21 mph
Barometer 29.75 in (1007.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 27 Feb 5:56 pm CST
Extended Forecast for

3 Miles WSW Lyndon IL

  • Tonight

    Tonight: Increasing clouds, with a low around 27. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 27 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, with a high near 40. Northeast wind 5 to 10 mph.

    High: 40 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. North wind around 10 mph.

    Low: 19 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 36. Northeast wind 5 to 10 mph.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Cloudy, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
Increasing clouds, with a low around 27. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly cloudy, with a high near 40. Northeast wind 5 to 10 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. North wind around 10 mph.
Sunday
Partly sunny, with a high near 36. Northeast wind 5 to 10 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 43.
Monday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 30.
Tuesday
Rain likely, mainly before noon. Cloudy, with a high near 45. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 50.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Thursday
Rain likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Friday
A 50 percent chance of rain. Cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lyndon IL
 41.7°N 89.97°W (Elev. 594 ft)
Last Update:
4:26 pm CST Feb 27, 2026
Forecast Valid:
6pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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