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.

Light Snow

16°F

-9°C

Humidity 67%
Wind Speed NW 13 G 21 mph
Barometer 30.48 in (1033.2 mb)
Dewpoint 7°F (-14°C)
Visibility 9.00 mi
Wind Chill2°F (-17°C)
Last update 22 Feb 10:56 pm CST
Extended Forecast for

4 Miles WSW Harmon IL

  • Tonight

    Tonight: A chance of flurries before midnight. Mostly cloudy, with a steady temperature around 15. Wind chill values as low as -3. North northwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Chance
    Flurries

  • Monday

    Monday: Sunny, with a high near 30. Wind chill values as low as -4. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 30 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 15 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 44. Breezy, with a south wind 10 to 15 mph becoming south southwest 20 to 25 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 44 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 38.

    High: 38 °F

    Sunny then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Likely

  • Thursday

    Thursday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of flurries before midnight. Mostly cloudy, with a steady temperature around 15. Wind chill values as low as -3. North northwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 30. Wind chill values as low as -4. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Increasing clouds, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 44. Breezy, with a south wind 10 to 15 mph becoming south southwest 20 to 25 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 23. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 38.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 20.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Harmon IL
 41.71°N 89.62°W
Last Update:
11:11 pm CST Feb 22, 2026
Forecast Valid:
11pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation