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

58°F

14°C

Humidity 39%
Wind Speed NW 12 G 18 mph
Barometer 29.63 in (1002.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 4 May 11:56 pm CDT
Extended Forecast for

Prophetstown IL

  • Overnight

    Overnight: A 40 percent chance of showers, mainly between 3am and 5am. Increasing clouds, with a low around 46. North wind 5 to 10 mph.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. Northwest wind 5 to 10 mph.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 40. North wind around 5 mph.

    Low: 40 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. Northwest wind 5 to 10 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly between 3am and 5am. Increasing clouds, with a low around 46. North wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 60. Northwest wind 5 to 10 mph.
Tuesday Night
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 40. North wind around 5 mph.
Wednesday
Partly sunny, with a high near 57. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 46.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 74.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 66.
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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:
11:41 pm CDT May 4, 2026
Forecast Valid:
12am CDT May 5, 2026-6pm CDT May 11, 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