Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Overcast

76°F

24°C

Humidity 91%
Wind Speed E 7 mph
Barometer 30.07 in (1017.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 14 Aug 4:56 pm CDT
Extended Forecast for

Rock Falls IL

Flood Watch August 14, 05:36pm until August 15, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 14, 05:36pm until August 15, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • This Afternoon

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall.  Patchy fog after 4am. Low around 70. East wind 5 to 10 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 70 °F

    Chance
    T-storms then
    Heavy Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Some of the storms could produce heavy rainfall.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 88. Heat index values as high as 104. Southeast wind 5 to 10 mph becoming west in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 88 °F

    Heavy Rain
    and Patchy
    Fog then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. East wind around 10 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Patchy fog after 4am. Low around 70. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers likely and possibly a thunderstorm before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Some of the storms could produce heavy rainfall. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 88. Heat index values as high as 104. Southeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Falls IL
 41.77°N 89.7°W (Elev. 643 ft)
2:11 pm CDT Aug 14, 2026
5pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

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