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

25°F

-4°C

Humidity 88%
Wind Speed Vrbl 3 mph
Barometer 30.35 in (1028.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 11 Jan 8:56 pm CST
Extended Forecast for

6 Miles SSE Harmon IL

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Partly Cloudy

  • 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 20 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 33 °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: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 30. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Slight Chance
    Rain then
    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 40%.

    High: 35 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • 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

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. Southwest wind 10 to 15 mph, with gusts as high as 30 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 20 mph.
Monday Night
Increasing clouds, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 20 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
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 30. West northwest wind around 15 mph, with gusts as high as 25 mph.
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 40%.
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 after noon. 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.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 23.
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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:
8:36 pm CST Jan 11, 2026
Forecast Valid:
9pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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Chance of Precipitation