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

13°F

-11°C

Humidity 61%
Wind Speed N 8 mph
Barometer 30.30 in (1027.3 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 7 Dec 4:56 pm CST
Extended Forecast for

3 Miles N Lanark IL

  • Tonight

    Tonight: Scattered flurries after 5am. Increasing clouds, with a low around 0. Wind chill values as low as -10. North wind around 5 mph.

    Low: 0 °F

    Scattered
    Flurries

  • Monday

    Monday: Scattered flurries before 8am. Mostly cloudy, with a high near 21. East wind 5 to 10 mph becoming south in the afternoon.

    High: 21 °F

    Scattered
    Flurries

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a temperature falling to near 17 by 8pm, then rising to around 26 during the remainder of the night. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 17 °F⇑

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.

    Low: 28 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of snow. Partly sunny, with a high near 22.

    High: 22 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 3.

    Low: 3 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Scattered flurries after 5am. Increasing clouds, with a low around 0. Wind chill values as low as -10. North wind around 5 mph.
Monday
Scattered flurries before 8am. Mostly cloudy, with a high near 21. East wind 5 to 10 mph becoming south in the afternoon.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a temperature falling to near 17 by 8pm, then rising to around 26 during the remainder of the night. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 38. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 22.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 3.
Friday
Partly sunny, with a high near 13.
Friday Night
Mostly cloudy, with a low around -5.
Saturday
Partly sunny and cold, with a high near 7.
Saturday Night
Mostly cloudy, with a low around -6.
Sunday
Mostly sunny, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Lanark IL
 42.15°N 89.83°W (Elev. 850 ft)
Last Update:
4:26 pm CST Dec 7, 2025
Forecast Valid:
5pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
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