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

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

50°F

10°C

Humidity 50%
Wind Speed NW 18 G 28 mph
Barometer 30.28 in (1025.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 6 Apr 1:56 pm CDT
Extended Forecast for

6 Miles SSE Harmon IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 48. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 48 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. North northwest wind 10 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Northeast wind around 10 mph becoming east southeast in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and 1am. Mostly cloudy, with a low around 36. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 67 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 48. Northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 26. North northwest wind 10 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 44. Northeast wind around 10 mph becoming east southeast in the afternoon.
Tuesday Night
A slight chance of rain and snow showers before 9pm, then a slight chance of snow showers between 9pm and 1am. Mostly cloudy, with a low around 36. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 67. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48.
Friday
A chance of showers. Mostly cloudy, with a high near 61.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53.
Sunday
A chance of showers. Mostly cloudy, with a high near 76.
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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:
1:21 pm CDT Apr 6, 2026
Forecast Valid:
2pm CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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