Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

9°F

-13°C

Humidity 61%
Wind Speed N 6 mph
Barometer 30.36 in (1029.7 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 29 Jan 7:56 pm CST
Extended Forecast for

3 Miles WSW Lyndon IL

  • Tonight

    Tonight: Mostly clear, with a low around 0. Wind chill values as low as -10. Calm wind becoming north around 5 mph after midnight.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of snow, mainly between 2pm and 5pm.  Partly sunny, with a high near 16. Wind chill values as low as -10. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 16 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 5. Wind chill values as low as -10. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 5 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 23. Wind chill values as low as -10. Northwest wind 5 to 10 mph.

    High: 23 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 0. Wind chill values as low as -10. Calm wind becoming north around 5 mph after midnight.
Friday
A 30 percent chance of snow, mainly between 2pm and 5pm. Partly sunny, with a high near 16. Wind chill values as low as -10. North wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 5. Wind chill values as low as -10. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 23. Wind chill values as low as -10. Northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 5.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Partly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 30.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lyndon IL
 41.7°N 89.97°W (Elev. 594 ft)
5:12 pm CST Jan 29, 2026
7pm CST Jan 29, 2026-6pm CST Feb 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database