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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

84°F

29°C

Humidity 35%
Wind Speed SW 12 mph
Barometer 29.92 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 7 Oct 2:45 pm CDT
Extended Forecast for

Goreville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. Southwest wind around 7 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. North northeast wind 3 to 5 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. Light east wind.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. South southeast wind 3 to 6 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 80. South southeast wind 5 to 9 mph becoming east in the afternoon.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Mostly cloudy, with a low around 58. East northeast wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 73. Northeast wind 8 to 10 mph becoming west northwest in the afternoon.

    High: 73 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. Southwest wind around 7 mph.
Tonight
Clear, with a low around 59. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. North northeast wind 3 to 5 mph.
Thursday Night
Clear, with a low around 58. Light east wind.
Friday
Sunny, with a high near 86. South southeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 61. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 80. South southeast wind 5 to 9 mph becoming east in the afternoon.
Saturday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Mostly cloudy, with a low around 58. East northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 73. Northeast wind 8 to 10 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 58. Calm wind.
Columbus Day
Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 58. South southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 74. West wind 8 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Goreville IL
 37.58°N 88.96°W
Last Update:
1:50 pm CDT Oct 7, 2026
Forecast Valid:
3pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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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