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.

Fog/Mist

44°F

7°C

Humidity 100%
Wind Speed NW 8 mph
Barometer 29.72 in (1006.8 mb)
Dewpoint 44°F (7°C)
Visibility 0.75 mi
Wind Chill39°F (4°C)
Last update 26 Dec 8:56 am CST
Extended Forecast for

6 Miles SSE Harmon IL

Dense Fog Advisory December 26, 09:25am until December 26, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 26, 09:25am until December 26, 11:00am

    NOW until 11:00am Fri

    Dense Fog Advisory

  • Today

    High: 48 °F⇓

    Areas Dense
    Fog then
    Cloudy

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, cloudy, with a low around 39. North northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Cloudy then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, with a high near 46. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after midnight. Cloudy, with a low around 45. Southeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 45 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after noon. Cloudy, with a high near 54. Southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 54 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 16. Blustery. Chance of precipitation is 40%.

    Low: 16 °F

    Blustery.
    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Monday

    Monday: Partly sunny, with a high near 23. Blustery.

    High: 23 °F

    Partly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Today
Areas of dense fog before 11am. Otherwise, cloudy, with a temperature rising to near 48 by noon, then falling to around 44 during the remainder of the day. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after midnight. Otherwise, cloudy, with a low around 39. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, cloudy, with a high near 46. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers, mainly after midnight. Cloudy, with a low around 45. Southeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Showers likely, mainly after noon. Cloudy, with a high near 54. Southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Mostly cloudy, with a low around 16. Blustery. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 23. Blustery.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 11.
New Year's Day
Partly sunny, with a high near 23.
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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:
9:01 am CST Dec 26, 2025
Forecast Valid:
9am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation