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.

Mostly Cloudy

79°F

26°C

Humidity 61%
Wind Speed S 15 G 29 mph
Barometer 29.99 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Apr 5:45 pm CDT
Extended Forecast for

2 Miles SSW Goreville IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. South southwest wind around 14 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 84. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 79. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 79 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 62. South southwest wind 3 to 7 mph.

    Low: 62 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 87. South wind 5 to 11 mph, with gusts as high as 22 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. South southwest wind around 14 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 85. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 67. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 84. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 79. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 62. South southwest wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 87. South wind 5 to 11 mph, with gusts as high as 22 mph.
Friday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 21 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 64. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 41. North northeast wind 3 to 6 mph.
Monday
Sunny, with a high near 69. East northeast wind 5 to 8 mph becoming south southeast in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Goreville IL
 37.54°N 88.99°W
Last Update:
5:52 pm CDT Apr 13, 2026
Forecast Valid:
6pm CDT Apr 13, 2026-6pm CDT Apr 20, 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