National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

42°F

6°C

Humidity 58%
Wind Speed Vrbl 3 mph
Barometer 30.20 in (1023.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 29 Mar 6:56 am CDT
Extended Forecast for

6 Miles SSE Harmon IL

  • Today

    Today: Mostly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.

    High: 77 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly cloudy, with a high near 47.

    High: 47 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 46.

    High: 46 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 47.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 33.
Thursday
Showers likely. Mostly cloudy, with a high near 46.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 36.
Friday
Mostly cloudy, with a high near 62.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47.
Saturday
Showers likely. Mostly cloudy, with a high near 62.
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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:
4:56 am CDT Mar 29, 2026
Forecast Valid:
7am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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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