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

46°F

8°C

Humidity 66%
Wind Speed SW 9 mph
Barometer 30.20 in (1022.9 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 5 Apr 8:56 pm CDT
Extended Forecast for

6 Miles SSE Harmon IL

  • Tonight

    Tonight: A chance of showers between 10pm and 1am. Partly cloudy, with a low around 34. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Northeast wind around 5 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 37. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 37 °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 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Thursday

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

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers between 10pm and 1am. Partly cloudy, with a low around 34. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 26. Northwest wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 45. Northeast wind around 5 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 37. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 66. Breezy.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
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. Partly sunny, with a high near 62.
Friday Night
A chance of showers. Mostly cloudy, with a low around 45.
Saturday
A chance of showers. Partly sunny, with a high near 66.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 54.
Sunday
Showers likely. Mostly cloudy, with a high near 75.
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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:
7:41 pm CDT Apr 5, 2026
Forecast Valid:
9pm CDT Apr 5, 2026-6pm CDT Apr 12, 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