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

29°F

-2°C

Humidity 56%
Wind Speed S 8 G 16 mph
Barometer 29.74 in (1007.9 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 24 Feb 9:56 am CST
Extended Forecast for

6 Miles NNW Lanark IL

  • Today

    Today: Cloudy, with a high near 39. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 35 mph.

    High: 39 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 19. Northwest wind around 5 mph becoming calm.

    Low: 19 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Cloudy, with a high near 39. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 35 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 32. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19. Northwest wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 27.
Saturday
A 30 percent chance of snow after noon. Partly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 31.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 35.
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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:
4:37 am CST Feb 24, 2026
Forecast Valid:
10am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation