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

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

-4°F

-20°C

Humidity 86%
Wind Speed SE 3 mph
Barometer 30.21 in (1024.5 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Last update 4 Dec 9:56 pm CST
Extended Forecast for

Prophetstown IL

  • Tonight

    Tonight: Patchy fog. Otherwise, increasing clouds, with a temperature rising to around 8 by 5am. Wind chill values as low as -10. South wind 5 to 10 mph.

    Low: 1 °F⇑

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, increasing clouds, with a high near 30. Wind chill values as low as -5. South wind around 10 mph.

    High: 30 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19. Southwest wind 5 to 10 mph becoming west after midnight.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 28. West wind around 5 mph becoming calm in the afternoon.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Cloudy, with a low around 19. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 19 °F

    Snow Likely

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Partly sunny, with a high near 23.

    High: 23 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, increasing clouds, with a temperature rising to around 8 by 5am. Wind chill values as low as -10. South wind 5 to 10 mph.
Friday
Patchy fog before 9am. Otherwise, increasing clouds, with a high near 30. Wind chill values as low as -5. South wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 19. Southwest wind 5 to 10 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 28. West wind around 5 mph becoming calm in the afternoon.
Saturday Night
Snow likely, mainly after midnight. Cloudy, with a low around 19. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday
A 30 percent chance of snow before noon. Partly sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around -4.
Monday
Partly sunny, with a high near 22.
Monday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 17.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
A 50 percent chance of snow. Cloudy, with a low around 26.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 8.
Thursday
Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Prophetstown IL
 41.67°N 89.94°W (Elev. 604 ft)
Last Update:
8:41 pm CST Dec 4, 2025
Forecast Valid:
10pm CST Dec 4, 2025-6pm CST Dec 11, 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