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.

Thunderstorm in Vicinity

63°F

17°C

Humidity 78%
Wind Speed N 14 mph
Barometer 29.78 in (1008.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Apr 8:56 pm CDT
Extended Forecast for

2 Miles WSW Prophetstown IL

Flood Watch April 18, 07:00pm until April 20, 03:00am
Tornado Watch April 15, 09:05pm until April 15, 10:00pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Tornado Watch April 15, 09:05pm until April 15, 10:00pm

    NOW until 10:00pm Wed

    Tornado Watch

  • Tonight

    Low: 58 °F

    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am. Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind around 10 mph. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northwest wind around 5 mph becoming southeast in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 42. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 42 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 51.

    High: 51 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 3am. Low around 58. South wind around 10 mph. Chance of precipitation is 90%.
Thursday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 8am. Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind around 10 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 54. Northwest wind around 5 mph becoming southeast in the evening.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 42. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 71.
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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:
8:36 pm CDT Apr 15, 2026
Forecast Valid:
9pm CDT Apr 15, 2026-6pm CDT Apr 22, 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