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

60°F

16°C

Humidity 72%
Wind Speed Vrbl 3 mph
Barometer 29.72 in (1006.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 9 Mar 9:56 pm CDT
Extended Forecast for

3 Miles WSW Lyndon IL

  • Tonight

    Tonight: Mostly clear, with a low around 49. South wind around 5 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 62. East wind 5 to 15 mph.

    High: 62 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 38. East wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 47. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 47 °F

    Chance Rain
    and Breezy

  • Wednesday Night

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

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 49. South wind around 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 62. East wind 5 to 15 mph.
Tuesday Night
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 38. East wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 50 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 47. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37. Breezy.
Friday
Partly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Cloudy, with a high near 51.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 46. Breezy. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 18. Blustery.
Monday
Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lyndon IL
 41.7°N 89.97°W (Elev. 594 ft)
Last Update:
9:41 pm CDT Mar 9, 2026
Forecast Valid:
10pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation