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

74°F

23°C

Humidity 74%
Wind Speed SW 13 mph
Barometer 29.68 in (1004.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 14 Apr 11:56 pm CDT
Extended Forecast for

3 Miles WSW Lyndon IL

  • Overnight

    Overnight: Showers and thunderstorms, mainly after 3am. Low around 64. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 2am. Low around 57. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers after 7am. Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind 5 to 10 mph.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

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

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 7pm. Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Partly sunny, with a high near 56. Breezy.

    High: 56 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and thunderstorms, mainly after 3am. Low around 64. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms, mainly before 2am. Low around 57. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 40 percent chance of showers after 7am. Mostly cloudy, then gradually becoming sunny, with a high near 73. West wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 53.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 81.
Friday Night
Showers, with thunderstorms also possible after 7pm. Low around 44. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 56. Breezy.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Lyndon IL
 41.7°N 89.97°W (Elev. 594 ft)
Last Update:
12:26 am CDT Apr 15, 2026
Forecast Valid:
12am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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