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 and Breezy

77°F

25°C

Humidity 34%
Wind Speed S 21 G 24 mph
Barometer 30.19 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 9 Apr 3:47 pm CDT
Extended Forecast for

6 Miles WNW Goreville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. South southwest wind around 11 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. South wind around 9 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 77. South wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 77 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 55. Northeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. East northeast wind around 6 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. Southeast wind around 6 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. South southwest wind 7 to 16 mph, with gusts as high as 29 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. South southwest wind around 15 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 80. South southwest wind around 16 mph, with gusts as high as 28 mph.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 76. South southwest wind around 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 55. South wind around 9 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 77. South wind 8 to 13 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 55. Northeast wind around 6 mph. Chance of precipitation is 40%.
Saturday
A slight chance of thunderstorms before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. East northeast wind around 6 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 59. Southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 79. South southwest wind 7 to 16 mph, with gusts as high as 29 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. South southwest wind around 15 mph, with gusts as high as 24 mph.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 80. South southwest wind around 16 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 24 mph.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 84. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southwest wind around 14 mph, with gusts as high as 24 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. South southwest wind around 15 mph, with gusts as high as 28 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Goreville IL
 37.58°N 89.07°W
Last Update:
1:51 pm CDT Apr 9, 2026
Forecast Valid:
4pm CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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