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

20°F

-7°C

Humidity 100%
Wind Speed Calm
Barometer 29.88 in (1012.4 mb)
Dewpoint 20°F (-7°C)
Visibility 9.00 mi
Last update 27 Feb 3:56 am CST
Extended Forecast for

6 Miles NNW Lanark IL

  • Today

    Today: Sunny, with a high near 60. Breezy, with a south wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 24. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 32. Northeast wind 5 to 10 mph.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 14. North wind 5 to 10 mph.

    Low: 14 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 18. New snow accumulation of around an inch possible.

    Low: 18 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 60. Breezy, with a south wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Increasing clouds, with a low around 24. West wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 32. Northeast wind 5 to 10 mph.
Saturday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 14. North wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 33.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. New snow accumulation of around an inch possible.
Monday
Partly sunny, with a high near 39.
Monday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 25.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
A 40 percent chance of rain. Mostly sunny, with a high near 47.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
Rain likely. Mostly cloudy, with a high near 54. 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:
2:36 am CST Feb 27, 2026
Forecast Valid:
4am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation