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

41°F

5°C

Humidity 100%
Wind Speed E 5 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Wind Chill38°F (3°C)
Last update 20 Mar 12:56 am CDT
Extended Forecast for

Harmon ILSimilar City Names

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. South southwest wind around 5 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. West southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. North northeast wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 69. South southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. South southwest wind around 5 mph.
Friday
Partly sunny, with a high near 64. West southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 40. North northeast wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 10 mph.
Saturday
Sunny, with a high near 69. South southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 52. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 65.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
A chance of showers. Partly sunny, with a high near 63. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harmon ILSimilar City Names
 41.73°N 89.56°W
Last Update:
9:11 pm CDT Mar 19, 2026
Forecast Valid:
1am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
 
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Additional Resources

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