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.

Light Snow

23°F

-5°C

Humidity 74%
Wind Speed N 14 G 23 mph
Barometer 30.24 in (1024.8 mb)
Dewpoint 16°F (-9°C)
Visibility 9.00 mi
Wind Chill11°F (-12°C)
Last update 7 Dec 12:56 pm CST
Extended Forecast for

Shannon IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 21. Wind chill values as low as -5. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 21 °F

    Sunny

  • Tonight

    Tonight: Scattered flurries after 5am. Increasing clouds, with a temperature falling to near 1 by 9pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -10. North wind around 5 mph.

    Low: 1 °F⇑

    Scattered
    Flurries

  • Monday

    Monday: Scattered flurries before 8am. Mostly cloudy, with a high near 21. East wind 5 to 10 mph becoming south in the afternoon.

    High: 21 °F

    Scattered
    Flurries

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain before 3am, then a chance of rain and snow. Low around 28. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 23.

    High: 23 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 21. Wind chill values as low as -5. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Scattered flurries after 5am. Increasing clouds, with a temperature falling to near 1 by 9pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -10. North wind around 5 mph.
Monday
Scattered flurries before 8am. Mostly cloudy, with a high near 21. East wind 5 to 10 mph becoming south in the afternoon.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 15. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
Rain before 3am, then a chance of rain and snow. Low around 28. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 23.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 3.
Friday
Partly sunny, with a high near 13.
Friday Night
Mostly cloudy, with a low around -4.
Saturday
Partly sunny and cold, with a high near 9.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shannon IL
 42.15°N 89.74°W (Elev. 928 ft)
Last Update:
10:41 am CST Dec 7, 2025
Forecast Valid:
1pm CST Dec 7, 2025-6pm CST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation