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

39°F

4°C

Humidity 100%
Wind Speed E 6 mph
Barometer 30.37 in (1028.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 11 Apr 12:56 am CDT
Extended Forecast for

6 Miles SSE Harmon IL

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 38. East southeast wind around 5 mph.

    Low: 38 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 60. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 52. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.

    High: 74 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 61. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    Low: 61 °F

    Showers and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 38. East southeast wind around 5 mph.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 60. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 52. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 74. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm. Low around 61. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 59.
Thursday
A chance of showers. Mostly sunny, with a high near 78.
Thursday Night
A chance of showers. Partly cloudy, with a low around 58.
Friday
A chance of showers. Mostly sunny, 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 am CDT Apr 11, 2026
Forecast Valid:
1am CDT Apr 11, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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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