National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

30°F

-1°C

Humidity 92%
Wind Speed SW 7 mph
Barometer 29.76 in (1008.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 5 Feb 11:56 pm CST
Extended Forecast for

6 Miles NNW Lanark IL

  • Overnight

    Overnight: A slight chance of freezing rain before 2am, then a slight chance of snow between 2am and 3am, then a chance of freezing rain after 3am. Cloudy, with a low around 28. West wind around 5 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Wintry
    Mix

  • Friday

    Friday: A chance of freezing rain, mainly before 7am. Mostly cloudy, with a high near 36. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 36 °F

    Breezy.
    Chance
    Freezing Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 9. Wind chill values as low as zero. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 9 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Increasing clouds, with a high near 24. North wind around 5 mph becoming calm.

    High: 24 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of freezing rain before 2am, then a slight chance of snow between 2am and 3am, then a chance of freezing rain after 3am. Cloudy, with a low around 28. West wind around 5 mph. Chance of precipitation is 30%.
Friday
A chance of freezing rain, mainly before 7am. Mostly cloudy, with a high near 36. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 9. Wind chill values as low as zero. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Increasing clouds, with a high near 24. North wind around 5 mph becoming calm.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
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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:
10:46 pm CST Feb 5, 2026
Forecast Valid:
12am CST Feb 6, 2026-6pm CST Feb 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation