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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

6 Miles WSW Goreville IL

  • Today

    Today: A slight chance of drizzle. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 45. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 45 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Tonight

    Tonight: Cloudy, with a low around 27. North wind around 8 mph.

    Low: 27 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 37 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 26. Calm wind becoming south southwest 5 to 8 mph after midnight.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51. Southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 40. East wind 5 to 7 mph becoming north in the afternoon.

    High: 40 °F

    Chance Rain

Detailed Forecast

Today
A slight chance of drizzle. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 45. Calm wind becoming north 5 to 7 mph in the afternoon.
Tonight
Cloudy, with a low around 27. North wind around 8 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 26. Calm wind becoming south southwest 5 to 8 mph after midnight.
Tuesday
Mostly sunny, with a high near 48. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 42. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 51. Southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 30. Light and variable wind.
Thursday
A chance of rain. Mostly cloudy, with a high near 40. East wind 5 to 7 mph becoming north in the afternoon.
Thursday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 21. North northwest wind 5 to 8 mph.
Friday
Partly sunny, with a high near 30. North northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 9. North northwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 24. Northwest wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Goreville IL
 37.52°N 89.07°W
Last Update:
5:06 am CST Dec 7, 2025
Forecast Valid:
5am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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Additional Resources

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Chance of Precipitation