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.

A Few Clouds

26°F

-3°C

Humidity 81%
Wind Speed W 14 mph
Barometer 30.17 in (1022.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 21 Feb 11:56 am CST
Extended Forecast for

6 Miles SSE Harmon IL

  • This Afternoon

    This Afternoon: A chance of flurries before 1pm. Cloudy, with a high near 28. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 28 °F

    Chance
    Flurries

  • Tonight

    Tonight: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 26. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 26 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Wind chill values as low as zero. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 29. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 43.

    High: 43 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of flurries before 1pm. Cloudy, with a high near 28. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 26. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 14. Wind chill values as low as zero. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 29. North northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 55.
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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:
11:46 am CST Feb 21, 2026
Forecast Valid:
12pm CST Feb 21, 2026-6pm CST Feb 27, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation