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.

Fair

20°F

-7°C

Humidity 71%
Wind Speed SE 3 mph
Barometer 30.04 in (1018.2 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 24 Feb 4:56 am CST
Extended Forecast for

Walnut IL

  • Today

    Today: Cloudy, with a high near 41. Breezy, with a south wind 10 to 15 mph becoming south 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 41 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 22. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 22. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 22 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, with a high near 41. Breezy, with a south wind 10 to 15 mph becoming south 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 22. Northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 36. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22. Northwest wind around 5 mph becoming northeast after midnight.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 30.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 34.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 36.
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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:
4:37 am CST Feb 24, 2026
Forecast Valid:
5am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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