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 and Breezy

46°F

8°C

Humidity 93%
Wind Speed E 23 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 1 Apr 1:56 am CDT
Extended Forecast for

3 Miles WSW Lyndon IL

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Cloudy, with a low around 39. East wind 10 to 15 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers after 3pm. Cloudy, with a high near 46. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Temperature rising to around 46 by 5am. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F⇑

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 72. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Partly cloudy, with a low around 44. Breezy. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 46. Chance of precipitation is 100%.

    Low: 46 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 56. Breezy.

    High: 56 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Breezy.

    Low: 31 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Cloudy, with a low around 39. East wind 10 to 15 mph.
Wednesday
A chance of showers before 10am, then a chance of showers after 3pm. Cloudy, with a high near 46. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Showers and possibly a thunderstorm. Temperature rising to around 46 by 5am. Breezy, with an east wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 72. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Partly cloudy, with a low around 44. Breezy. Chance of precipitation is 60%.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm. Low around 46. Chance of precipitation is 100%.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 56. Breezy.
Saturday Night
Mostly cloudy, with a low around 31. Breezy.
Sunday
Mostly sunny, with a high near 52. Breezy.
Sunday Night
Mostly clear, with a low around 31.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 58.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 52.
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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:
1:37 am CDT Apr 1, 2026
Forecast Valid:
2am CDT Apr 1, 2026-6pm CDT Apr 7, 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