Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

34°F

1°C

Humidity 85%
Wind Speed Vrbl 3 mph
Barometer 29.75 in (1007.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 13 Jan 4:56 am CST
Extended Forecast for

6 Miles NNW Lanark IL

  • Today

    Today: Partly sunny, with a high near 48. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 48 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Scattered sprinkles and flurries before 4am, then scattered flurries after 5am.  Mostly cloudy, with a low around 22. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Mostly Cloudy
    then
    Scattered
    Sprinkles/Flurries
    and Blustery

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 21 by 5pm. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 24 °F

    Decreasing
    Clouds and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 10. Wind chill values as low as zero. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Snow likely.  Cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 33.

    High: 33 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 17.

    High: 17 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 48. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Scattered sprinkles and flurries before 4am, then scattered flurries after 5am. Mostly cloudy, with a low around 22. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 21 by 5pm. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 10. Wind chill values as low as zero. North wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 26.
Thursday Night
Snow likely. Cloudy, with a low around 22. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 33.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11.
Saturday
Mostly cloudy, with a high near 17.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 15.
Sunday Night
Mostly cloudy, with a low around 3.
M.L.King Day
Partly sunny, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Lanark IL
 42.17°N 89.89°W (Elev. 830 ft)
4:26 am CST Jan 13, 2026
5am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database