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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

9°F

-13°C

Humidity 77%
Wind Speed W 12 mph
Barometer 30.26 in (1026.3 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-6°F (-21°C)
Last update 28 Jan 8:56 am CST
Extended Forecast for

2 Miles WSW Prophetstown IL

  • Today

    Today: Sunny, with a high near 19. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 19 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 1. Wind chill values as low as -10. Northwest wind 5 to 10 mph.

    Low: 1 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 16. Wind chill values as low as -5. North wind around 5 mph.

    High: 16 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 0. Wind chill values as low as -10. North wind around 5 mph.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 16.

    High: 16 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 19. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 1. Wind chill values as low as -10. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 16. Wind chill values as low as -5. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 0. Wind chill values as low as -10. North wind around 5 mph.
Friday
Mostly sunny, with a high near 16.
Friday Night
Mostly clear, with a low around 3.
Saturday
Sunny, with a high near 22.
Saturday Night
Mostly clear, with a low around 6.
Sunday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 28.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16.
Monday
Mostly cloudy, with a high near 31.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Prophetstown IL
 41.65°N 89.97°W (Elev. 627 ft)
Last Update:
9:12 am CST Jan 28, 2026
Forecast Valid:
9am CST Jan 28, 2026-6pm CST Feb 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation