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

78°F

26°C

Humidity 47%
Wind Speed S 6 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Oct 12:56 pm CDT
Extended Forecast for

Rock Falls IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South wind around 5 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely. Partly cloudy, with a low around 61. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 73.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.

    High: 68 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 84. South wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 63. South wind around 5 mph.
Columbus Day
Sunny, with a high near 87. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 69. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Showers likely. Partly cloudy, with a low around 61. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 73.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 59. Breezy.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Falls IL
 41.77°N 89.7°W (Elev. 643 ft)
Last Update:
1:26 pm CDT Oct 11, 2026
Forecast Valid:
1pm CDT Oct 11, 2026-6pm CDT Oct 17, 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