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

28°F

-2°C

Humidity 63%
Wind Speed W 16 mph
Barometer 30.19 in (1023.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 21 Feb 4:56 pm CST
Extended Forecast for

6 Miles NNW Lanark IL

  • Tonight

    Tonight: A chance of flurries after 7pm. Mostly cloudy, with a low around 15. Wind chill values as low as zero. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of flurries before 8am. Mostly cloudy, with a high near 25. Wind chill values as low as zero. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 25 °F

    Chance
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11. Wind chill values as low as -5. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 28. Wind chill values as low as -5. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain before midnight, then a chance of snow. Partly cloudy, with a low around 19. Chance of precipitation is 30%.

    Low: 19 °F

    Chance Rain
    then Chance
    Snow

Detailed Forecast

Tonight
A chance of flurries after 7pm. Mostly cloudy, with a low around 15. Wind chill values as low as zero. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
A chance of flurries before 8am. Mostly cloudy, with a high near 25. Wind chill values as low as zero. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 11. Wind chill values as low as -5. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 28. Wind chill values as low as -5. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
A chance of rain before midnight, then a chance of snow. Partly cloudy, with a low around 19. Chance of precipitation is 30%.
Thursday
A 30 percent chance of snow before noon. Mostly sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 22.
Friday
Sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 44.
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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:
5:17 pm CST Feb 21, 2026
Forecast Valid:
5pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation