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.

Overcast

69°F

21°C

Humidity 98%
Wind Speed Calm
Barometer 29.72 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 2 Aug 4:55 am CDT
Extended Forecast for

2 Miles ESE Goreville IL

  • Today

    Today: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 66. North wind 5 to 9 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 84. North wind 5 to 7 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Light northeast wind.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Light northeast wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. South southwest wind 3 to 6 mph.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. North wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 66. North wind 5 to 9 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 84. North wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 64. Light northeast wind.
Tuesday
Sunny, with a high near 86. Light northeast wind.
Tuesday Night
Mostly clear, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 89. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
Mostly sunny, with a high near 88. South southwest wind 3 to 6 mph.
Thursday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Light south wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southwest wind 3 to 7 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Goreville IL
 37.56°N 88.93°W
Last Update:
3:46 am CDT Aug 2, 2026
Forecast Valid:
5am CDT Aug 2, 2026-6pm CDT Aug 8, 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