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.

Fair

57°F

14°C

Humidity 90%
Wind Speed E 8 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Oct 6:56 am CDT
Extended Forecast for

Prophetstown IL

  • Today

    Today: Partly sunny, with a high near 74. Southeast wind 5 to 10 mph.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 61. South wind around 10 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Partly sunny, with a high near 76. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 74. Southeast wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 83. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 61. South wind around 10 mph. Chance of precipitation is 80%.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a high near 76. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Sunny, with a high near 62.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 71.
Monday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 48.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 62.
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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:
5:41 am CDT Oct 16, 2025
Forecast Valid:
7am CDT Oct 16, 2025-6pm CDT Oct 22, 2025
 
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