National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Partly Cloudy

58°F

14°C

Humidity 20%
Wind Speed SE 10 mph
Barometer 30.22 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 24 Mar 3:55 pm CDT
Extended Forecast for

Dalzell IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 54. South wind around 10 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Southeast wind around 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 70. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. South wind 5 to 10 mph.

    Low: 54 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of rain between 10pm and 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.

    Low: 33 °F

    Chance
    T-storms then
    Chance Rain

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Clear, with a low around 27.

    Low: 27 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 54. South wind around 10 mph.
Tonight
Partly cloudy, with a low around 39. Southeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 70. South wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. South wind 5 to 10 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of rain between 10pm and 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 48.
Friday Night
Clear, with a low around 27.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dalzell IL
 41.37°N 89.17°W (Elev. 650 ft)
Last Update:
3:41 pm CDT Mar 24, 2026
Forecast Valid:
4pm CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
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