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.

Partly Cloudy

22°F

-6°C

Humidity 63%
Wind Speed NW 15 G 23 mph
Barometer 30.39 in (1030.1 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 22 Feb 12:56 pm CST
Extended Forecast for

6 Miles NNW Lanark IL

  • This Afternoon

    This Afternoon: A chance of flurries. Mostly cloudy, with a high near 21. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 21 °F

    Chance
    Flurries and
    Blustery

  • Tonight

    Tonight: A chance of flurries before 10pm. Partly cloudy, with a low around 11. Wind chill values as low as -5. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 11 °F

    Chance
    Flurries and
    Blustery then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 26. Wind chill values as low as -5. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 15. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 15 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Mostly sunny, with a high near 37.

    High: 37 °F

    Chance Snow
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
A chance of flurries. Mostly cloudy, with a high near 21. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
A chance of flurries before 10pm. Partly cloudy, with a low around 11. Wind chill values as low as -5. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 26. Wind chill values as low as -5. North wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 15. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20.
Thursday
A 30 percent chance of snow before noon. Mostly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 20.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Partly 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:
9:31 am CST Feb 22, 2026
Forecast Valid:
1pm CST Feb 22, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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