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

82°F

28°C

Humidity 40%
Wind Speed S 6 mph
Barometer 29.98 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 11 Oct 3:45 pm CDT
Extended Forecast for

Goreville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Light west northwest wind.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 88. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65. South southwest wind around 7 mph.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Southwest wind 7 to 10 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. South southwest wind around 6 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 85. Southwest wind around 6 mph. Chance of precipitation is 80%.

    High: 85 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. East northeast wind 5 to 8 mph becoming south southwest in the afternoon.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Light west northwest wind.
Tonight
Mostly clear, with a low around 61. Calm wind becoming south southwest around 5 mph after midnight.
Columbus Day
Sunny, with a high near 88. Southwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday Night
Clear, with a low around 65. South southwest wind around 7 mph.
Tuesday
Sunny, with a high near 89. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 69. South southwest wind around 6 mph.
Wednesday
Showers and possibly a thunderstorm. High near 85. Southwest wind around 6 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Calm wind.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. East northeast wind 5 to 8 mph becoming south southwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South southwest wind 5 to 10 mph becoming west northwest after midnight.
Friday
Partly sunny, with a high near 67. North northwest wind 14 to 17 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 43. North wind 10 to 16 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 58. North wind 10 to 13 mph.
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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:
2:01 pm CDT Oct 11, 2026
Forecast Valid:
4pm CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
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