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

3°F

-16°C

Humidity 76%
Wind Speed NE 6 mph
Barometer 30.36 in (1029.2 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 7 Dec 10:56 pm CST
Extended Forecast for

Walnut IL

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 7 by 5am. Wind chill values as low as -5. Northeast wind around 5 mph becoming calm after midnight.

    Low: 4 °F⇑

    Mostly Cloudy

  • Monday

    Monday: Scattered flurries between 7am and 8am. Mostly cloudy, with a high near 23. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 23 °F

    Scattered
    Flurries

  • Monday Night

    Monday Night: Mostly cloudy, with a temperature falling to near 17 by 9pm, then rising to around 27 during the remainder of the night. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 17 °F⇑

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before midnight. Cloudy, with a low around 30. Breezy. Chance of precipitation is 60%.

    Low: 30 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35. Breezy.

    High: 35 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of snow. Mostly cloudy, with a high near 23.

    High: 23 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 5.

    Low: 5 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 7 by 5am. Wind chill values as low as -5. Northeast wind around 5 mph becoming calm after midnight.
Monday
Scattered flurries between 7am and 8am. Mostly cloudy, with a high near 23. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a temperature falling to near 17 by 9pm, then rising to around 27 during the remainder of the night. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Rain likely, mainly before midnight. Cloudy, with a low around 30. Breezy. Chance of precipitation is 60%.
Wednesday
Mostly cloudy, with a high near 35. Breezy.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 23.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 5.
Friday
Partly sunny, with a high near 14.
Friday Night
Mostly cloudy, with a low around -3.
Saturday
Partly sunny and cold, with a high near 7.
Saturday Night
Mostly cloudy, with a low around -4.
Sunday
Mostly sunny, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walnut IL
 41.55°N 89.6°W (Elev. 696 ft)
Last Update:
11:06 pm CST Dec 7, 2025
Forecast Valid:
11pm CST Dec 7, 2025-6pm CST Dec 14, 2025
 
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