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.

Mostly Cloudy

88°F

31°C

Humidity 43%
Wind Speed SW 10 G 16 mph
Barometer 29.94 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Sep 3:45 pm CDT
Extended Forecast for

Goreville IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms before 5pm. Partly sunny, with a high near 82. South southwest wind around 8 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 67. South wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. South southeast wind 6 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 66. South wind 3 to 6 mph. Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 77. South southwest wind 3 to 6 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 77. Southeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming light and variable.

    Low: 63 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. West northwest wind 6 to 8 mph.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 5pm. Partly sunny, with a high near 82. South southwest wind around 8 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 67. South wind 3 to 5 mph. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. South southeast wind 6 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm. Low around 66. South wind 3 to 6 mph. Chance of precipitation is 80%.
Tuesday
Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 77. South southwest wind 3 to 6 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 77. Southeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming light and variable.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. West northwest wind 6 to 8 mph.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 59. Northwest wind 3 to 5 mph.
Friday
A chance of showers. Mostly sunny, with a high near 75. North northwest wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 59. Light north northwest wind.
Saturday
Sunny, with a high near 77. Calm wind becoming north around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Goreville IL
 37.56°N 88.99°W
Last Update:
3:01 pm CDT Sep 21, 2025
Forecast Valid:
4pm CDT Sep 21, 2025-6pm CDT Sep 27, 2025
 
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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