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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 67°F (19°C)
Visibility 4.00 mi
Last update 13 Aug 5:15 am CDT
Extended Forecast for

Goreville IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 89. Light north wind.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Calm wind.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Calm wind.

    High: 96 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light and variable wind.
Tonight
A slight chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 89. Light north wind.
Thursday Night
Mostly clear, with a low around 70. Calm wind.
Friday
Sunny, with a high near 93. Calm wind.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny, with a high near 96. Calm wind.
Saturday Night
Mostly clear, with a low around 73. Calm wind.
Sunday
Sunny, with a high near 96. Calm wind.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny, with a high near 96. Light and variable wind.
Monday Night
Mostly clear, with a low around 73. Light east wind.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming west 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:
4:30 am CDT Aug 13, 2025
Forecast Valid:
5am CDT Aug 13, 2025-6pm CDT Aug 19, 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