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

25°F

-4°C

Humidity 53%
Wind Speed N 10 G 20 mph
Barometer 30.55 in (1035.6 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 23 Feb 10:56 am CST
Extended Forecast for

6 Miles SSE Harmon IL

  • Today

    Today: Sunny, with a high near 29. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 29 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. Northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 43. Breezy, with a south wind 15 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 35 mph.

    High: 43 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 21. West northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 36. West northwest wind 5 to 15 mph.

    High: 36 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 38.

    High: 38 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 29. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 16. Northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 43. Breezy, with a south wind 15 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 21. West northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 36. West northwest wind 5 to 15 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 38.
Thursday Night
Mostly clear, with a low around 22.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 28.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A chance of snow. Partly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Harmon IL
 41.64°N 89.51°W
Last Update:
10:11 am CST Feb 23, 2026
Forecast Valid:
11am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation