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

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

52°F

11°C

Humidity 88%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Last update 5 Mar 7:35 pm CST
Extended Forecast for

Dalzell IL

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.

    Low: 46 °F

    Areas Fog
    then Slight
    Chance Rain
    and Areas Fog

  • Friday

    Friday: Rain and thunderstorms, mainly before 2pm. Areas of fog before 8am. High near 73. Southeast wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Rain and
    Areas Fog
    then Rain
    Likely

  • Friday Night

    Friday Night: A slight chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Chance
    Showers then
    T-storms and
    Breezy

  • Saturday

    Saturday: A chance of rain and thunderstorms before 9am, then a chance of rain between 9am and noon. Mostly cloudy, with a high near 58. Breezy, with a southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    High: 58 °F

    Breezy.
    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain after 4am. Areas of fog after 8pm. Otherwise, mostly cloudy, with a low around 46. Calm wind becoming southeast around 5 mph after midnight.
Friday
Rain and thunderstorms, mainly before 2pm. Areas of fog before 8am. High near 73. Southeast wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A slight chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of rain and thunderstorms before 9am, then a chance of rain between 9am and noon. Mostly cloudy, with a high near 58. Breezy, with a southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 63.
Sunday Night
Clear, with a low around 46.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Rain likely, mainly after noon. Partly sunny, with a high near 75. Chance of precipitation is 70%.
Tuesday Night
Rain. Low around 46. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 49.
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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:
4:36 pm CST Mar 5, 2026
Forecast Valid:
7pm CST Mar 5, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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