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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Chadwick IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. Heat index values as high as 101. South wind around 10 mph.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 7pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 70. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    T-storms
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. West wind around 5 mph becoming northwest in the afternoon.

    High: 86 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. North wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. Heat index values as high as 101. South wind around 10 mph.
Tonight
Showers and thunderstorms likely, mainly before 7pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 70. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. West wind around 5 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 81.
Thursday Night
Clear, with a low around 58.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chadwick IL
 42.02°N 89.93°W (Elev. 827 ft)
Last Update:
9:17 am CDT Aug 18, 2025
Forecast Valid:
10am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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