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.

Mostly Cloudy

28°F

-2°C

Humidity 78%
Wind Speed W 14 mph
Barometer 30.42 in (1030.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 11 Jan 2:56 pm CST
Extended Forecast for

4 Miles WSW Harmon IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 33. West southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 33 °F

    Cloudy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 28. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Gradual
    Clearing

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 42. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Partly sunny, with a high near 50. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 30%.

    High: 35 °F

    Chance
    Rain/Snow
    then Chance
    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 33. West southwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 28. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 42. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Increasing clouds, with a low around 32. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 50. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24.
Friday
A chance of snow. Mostly cloudy, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 22.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Harmon IL
 41.71°N 89.62°W
Last Update:
3:11 pm CST Jan 11, 2026
Forecast Valid:
3pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation