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Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

59°F

15°C

Humidity 96%
Wind Speed SW 8 mph
Barometer 29.72 in (1006.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 4:56 am CST
Extended Forecast for

Harmon IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 59. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers, mainly before 10am. Cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 58 °F⇓

    Chance
    Showers and
    Breezy then
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 62. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Showers likely after noon. Mostly sunny, with a high near 67.

    High: 67 °F

    Sunny then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers. Cloudy, with a low around 37.

    Low: 37 °F

    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 59. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 50 percent chance of showers, mainly before 10am. Cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 62. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 44. South southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 70.
Monday Night
Clear, with a low around 44.
Tuesday
Showers likely after noon. Mostly sunny, with a high near 67.
Tuesday Night
Showers. Cloudy, with a low around 37.
Wednesday
A chance of showers before noon. Cloudy, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 48.
Thursday Night
A chance of rain and snow showers. Cloudy, with a low around 36.
Friday
Mostly cloudy, with a high near 57. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harmon IL
 41.73°N 89.56°W
Last Update:
3:25 am CST Mar 7, 2026
Forecast Valid:
5am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation