National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

47°F

8°C

Humidity 30%
Wind Speed E 7 mph
Barometer 30.42 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 23 Mar 3:56 pm CDT
Extended Forecast for

6 Miles SSE Harmon IL

  • Tonight

    Tonight: Increasing clouds, with a low around 31. East northeast wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 31. East northeast wind 5 to 10 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 54. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 40. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 68. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 53. South wind around 5 mph, with gusts as high as 10 mph.
Thursday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 76.
Thursday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 32. Breezy.
Friday
Partly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Harmon IL
 41.64°N 89.51°W
Last Update:
2:46 pm CDT Mar 23, 2026
Forecast Valid:
4pm CDT Mar 23, 2026-6pm CDT Mar 30, 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