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.

Fair

71°F

22°C

Humidity 66%
Wind Speed S 3 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 12 Jun 8:56 pm CDT
Extended Forecast for

Sterling IL

  • Tonight

    Tonight: Clear, with a low around 59. South wind around 5 mph.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 5pm. Increasing clouds, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 57. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: Sunny, with a high near 71. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 59. South wind around 5 mph.
Saturday
A 30 percent chance of showers after 5pm. Increasing clouds, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a low around 57. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Sunny, with a high near 71. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 53.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 55.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 57.
Juneteenth
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sterling IL
 41.8°N 89.7°W (Elev. 669 ft)
Last Update:
5:41 pm CDT Jun 12, 2026
Forecast Valid:
9pm CDT Jun 12, 2026-6pm CDT Jun 19, 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