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.

Partly Cloudy

84°F

29°C

Humidity 45%
Wind Speed SW 8 mph
Barometer 30.01 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Jun 12:45 pm CDT
Extended Forecast for

3 Miles NNE Goreville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. Light west southwest wind.

    High: 86 °F

    Sunny

  • Tonight

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

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 86. Light south wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Some of the storms could produce heavy rainfall. Low around 71. South southwest wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    Low: 71 °F

    Heavy Rain
    then Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. West southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 63. North northwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 10%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light north northeast wind.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 86. Light west southwest wind.
Tonight
Mostly clear, with a low around 66. Calm wind.
Sunday
Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 86. Light south wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Some of the storms could produce heavy rainfall. Low around 71. South southwest wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. West southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Monday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 63. North northwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 10%.
Tuesday
Mostly sunny, with a high near 82. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 64. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 64. Calm wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Calm wind becoming south southwest around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Goreville IL
 37.6°N 88.96°W
Last Update:
12:06 pm CDT Jun 20, 2026
Forecast Valid:
1pm CDT Jun 20, 2026-6pm CDT Jun 26, 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