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

36°F

2°C

Humidity 79%
Wind Speed SE 3 mph
Barometer 30.14 in (1021.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 3 Mar 7:56 am CST
Extended Forecast for

Lyndon IL

  • Today

    Today: Cloudy, with a high near 48. Northeast wind around 5 mph.

    High: 48 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. East wind 5 to 10 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 52. East wind 5 to 10 mph.

    High: 52 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms, then rain likely after midnight. Cloudy, with a low around 40. East wind around 5 mph. Chance of precipitation is 70%.

    Low: 40 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: Rain likely, mainly before noon. Cloudy, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain. High near 71. Chance of precipitation is 100%.

    High: 71 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, then rain and possibly a thunderstorm after midnight. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Rain

  • Saturday

    Saturday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, with a high near 48. Northeast wind around 5 mph.
Tonight
Mostly cloudy, with a low around 32. East wind 5 to 10 mph.
Wednesday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 52. East wind 5 to 10 mph.
Wednesday Night
A chance of rain and thunderstorms, then rain likely after midnight. Cloudy, with a low around 40. East wind around 5 mph. Chance of precipitation is 70%.
Thursday
Rain likely, mainly before noon. Cloudy, with a high near 57. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 43.
Friday
Rain. High near 71. Chance of precipitation is 100%.
Friday Night
Rain likely, then rain and possibly a thunderstorm after midnight. Low around 49. Chance of precipitation is 80%.
Saturday
Partly sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lyndon IL
 41.72°N 89.91°W (Elev. 600 ft)
Last Update:
7:57 am CST Mar 3, 2026
Forecast Valid:
8am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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