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

67°F

19°C

Humidity 73%
Wind Speed W 9 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 Jun 8:56 am CDT
Extended Forecast for

Sterling IL

  • Today

    Today: Sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 59. West wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 69. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 69 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Monday Night

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

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 59. West wind around 5 mph becoming calm in the evening.
Sunday
Showers likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers after 4pm. High near 69. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 55. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 58.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sterling IL
 41.8°N 89.67°W (Elev. 656 ft)
Last Update:
2:21 am CDT Jun 20, 2026
Forecast Valid:
9am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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