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

66°F

19°C

Humidity 80%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Oct 12:55 am CDT
Extended Forecast for

Goreville IL

  • Overnight

    Overnight: Clear, with a low around 60. Calm wind.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming south southeast 5 to 8 mph in the morning.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. Light south southeast wind.

    Low: 57 °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. Southeast wind 3 to 5 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 81. South southeast wind around 6 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 50%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 78 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 59. North wind 6 to 8 mph.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 60. Calm wind.
Saturday
Sunny, with a high near 83. Calm wind becoming south southeast 5 to 8 mph in the morning.
Saturday Night
Clear, with a low around 57. 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. Southeast wind 3 to 5 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. South southeast wind around 6 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 50%.
Tuesday
Showers likely before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 59. North wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 72. North northeast wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 51. Northeast wind around 6 mph.
Thursday
Sunny, with a high near 71. East northeast wind around 7 mph.
Thursday Night
Mostly clear, with a low around 51. Light east northeast wind.
Friday
Sunny, with a high near 73. Calm wind becoming south around 6 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:
1:16 am CDT Oct 4, 2025
Forecast Valid:
1am CDT Oct 4, 2025-6pm CDT Oct 10, 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