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.

A Few Clouds

39°F

4°C

Humidity 86%
Wind Speed Calm
Barometer 30.19 in (1022.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 9 Jan 5:56 pm CST
Extended Forecast for

6 Miles SSE Harmon IL

  • Tonight

    Tonight: Rain and snow likely, becoming all snow after 5am. Cloudy, with a low around 32. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Cloudy then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Snow, possibly mixed with rain, becoming all snow after 8am. High near 35. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 35 °F

    Rain/Snow
    then Chance
    Snow Showers
    and Breezy

  • Saturday Night

    Saturday Night: Scattered snow showers before midnight. Mostly cloudy, with a low around 20. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 20 °F

    Blustery.
    Scattered
    Snow Showers
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 31. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain after noon. Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain and snow likely, becoming all snow after 5am. Cloudy, with a low around 32. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow, possibly mixed with rain, becoming all snow after 8am. High near 35. Breezy, with a west wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday Night
Scattered snow showers before midnight. Mostly cloudy, with a low around 20. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 31. West northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 24. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
A chance of rain after noon. Mostly cloudy, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 30.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow. Mostly cloudy, with a high near 33.
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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:
6:01 pm CST Jan 9, 2026
Forecast Valid:
6pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation