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

19°F

-7°C

Humidity 77%
Wind Speed S 3 mph
Barometer 30.21 in (1024.1 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 24 Feb 12:56 am CST
Extended Forecast for

Chadwick IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 15. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 40. 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: 40 °F

    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Cloudy during the early evening, then gradual clearing, with a low around 19. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Gradual
    Clearing

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Northwest wind 5 to 10 mph.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 21. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Friday Night

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

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 15. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Cloudy, with a high near 40. 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.
Tuesday Night
Cloudy during the early evening, then gradual clearing, with a low around 19. Northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 34. Northwest wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 21. New snow accumulation of 1 to 2 inches possible.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 24.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 27.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 32.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chadwick IL
 42.02°N 89.9°W (Elev. 801 ft)
Last Update:
10:42 pm CST Feb 23, 2026
Forecast Valid:
1am 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation