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

45°F

7°C

Humidity 54%
Wind Speed NW 16 G 22 mph
Barometer 30.22 in (1023.8 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 5 Apr 10:56 am CDT
Extended Forecast for

6 Miles SSE Harmon IL

  • Today

    Today: Sunny, with a high near 52. West northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers between 1am and 2am. Partly cloudy, with a low around 35. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. Northwest wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Breezy.

    High: 66 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 52. West northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers between 1am and 2am. Partly cloudy, with a low around 35. West wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 25. Northwest wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 44. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 66. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
A chance of showers. Mostly cloudy, with a high near 64.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
A chance of showers. Mostly cloudy, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Harmon IL
 41.64°N 89.51°W
Last Update:
9:10 am CDT Apr 5, 2026
Forecast Valid:
11am CDT Apr 5, 2026-6pm CDT Apr 11, 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