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

71°F

22°C

Humidity 68%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 3 Oct 9:15 pm CDT
Extended Forecast for

Goreville IL

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, clear, with a low around 60. Calm wind.

    Low: 60 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Sunny, with a high near 84. Calm wind becoming south southeast 5 to 7 mph in the morning.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59. Light south southeast wind.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 83. South wind 5 to 8 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Light south southeast wind.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. South southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 79. Calm wind becoming north around 6 mph in the afternoon.

    High: 79 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 60. North northeast wind 5 to 8 mph.

    Low: 60 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, clear, with a low around 60. Calm wind.
Saturday
Sunny, with a high near 84. Calm wind becoming south southeast 5 to 7 mph in the morning.
Saturday Night
Clear, with a low around 59. Light south southeast wind.
Sunday
Sunny, with a high near 83. South wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 65. Light south southeast wind.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. South southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. Calm wind.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 60. North northeast wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 74. Northeast wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 55. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 72. East wind around 7 mph.
Thursday Night
Mostly clear, with a low around 53. Light east northeast wind.
Friday
Sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Goreville IL
 37.56°N 88.99°W
Last Update:
9:01 pm CDT Oct 3, 2025
Forecast Valid:
9pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
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Additional Resources

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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