National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

67°F

19°C

Humidity 20%
Wind Speed SW 12 G 17 mph
Barometer 29.74 in (1007.1 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 27 Feb 1:56 pm CST
Extended Forecast for

6 Miles NNW Lanark IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 65. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 25. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 34. Northeast wind 5 to 10 mph.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16. Northeast wind 5 to 10 mph.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 65. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 25. West wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
A 30 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 34. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 16. Northeast wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 33.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 42.
Monday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 29.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 43.
Tuesday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 29.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 49.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
Rain likely. Cloudy, with a high near 51. Chance of precipitation is 60%.
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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:
1:46 pm CST Feb 27, 2026
Forecast Valid:
2pm CST Feb 27, 2026-6pm CST Mar 5, 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