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

81°F

27°C

Humidity 54%
Wind Speed SE 6 mph
Barometer 30.06 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 5 Oct 5:47 pm CDT
Extended Forecast for

6 Miles WNW Goreville IL

  • Tonight

    Tonight: Clear, with a low around 65. Southeast wind 3 to 6 mph.

    Low: 65 °F

    Clear

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 78. South wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely, then showers and possibly a thunderstorm after 1am. Low around 67. Light southeast wind. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 57. North wind 6 to 9 mph.

    Low: 57 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 70. Northeast wind around 10 mph, with gusts as high as 18 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50. Northeast wind around 6 mph.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Northeast wind around 7 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 65. Southeast wind 3 to 6 mph.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 78. South wind 5 to 7 mph. Chance of precipitation is 60%.
Monday Night
Showers likely, then showers and possibly a thunderstorm after 1am. Low around 67. Light southeast wind. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 57. North wind 6 to 9 mph.
Wednesday
Sunny, with a high near 70. Northeast wind around 10 mph, with gusts as high as 18 mph.
Wednesday Night
Clear, with a low around 50. Northeast wind around 6 mph.
Thursday
Sunny, with a high near 70. Northeast wind around 7 mph.
Thursday Night
Mostly clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 73. Light northeast wind.
Friday Night
Mostly clear, with a low around 53. Calm wind.
Saturday
Sunny, with a high near 74. Calm wind becoming east southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 53. Calm wind.
Sunday
Sunny, with a high near 76. Calm wind becoming south southeast around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Goreville IL
 37.58°N 89.07°W
Last Update:
6:31 pm CDT Oct 5, 2025
Forecast Valid:
6pm CDT Oct 5, 2025-6pm CDT Oct 12, 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