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

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Prophetstown IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Southeast wind around 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 48. Breezy, with a southeast wind 15 to 20 mph becoming southwest after midnight. Winds could gust as high as 35 mph.

    Low: 48 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 64 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain likely after noon. Partly sunny, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Partly Sunny
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before midnight. Partly cloudy, with a low around 33. Chance of precipitation is 70%.

    Low: 33 °F

    Rain Likely

  • Friday

    Friday: A chance of rain and snow before noon. Partly sunny, with a high near 43. Chance of precipitation is 30%.

    High: 43 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Southeast wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 62. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 48. Breezy, with a southeast wind 15 to 20 mph becoming southwest after midnight. Winds could gust as high as 35 mph.
Wednesday
Sunny, with a high near 64. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Rain likely after noon. Partly sunny, with a high near 63. Chance of precipitation is 60%.
Thursday Night
Rain likely, mainly before midnight. Partly cloudy, with a low around 33. Chance of precipitation is 70%.
Friday
A chance of rain and snow before noon. Partly sunny, with a high near 43. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 37.
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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:
10:56 pm CST Feb 16, 2026
Forecast Valid:
1am CST Feb 17, 2026-6pm CST Feb 23, 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