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.

Fair

79°F

26°C

Humidity 39%
Wind Speed SW 10 mph
Barometer 29.95 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Mar 12:45 pm CDT
Extended Forecast for

Goreville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Southwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. South southwest wind 3 to 8 mph.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. South southwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42. West southwest wind 11 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 58. North northeast wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. East northeast wind 5 to 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. South southeast wind around 6 mph.

    High: 60 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 56. Southwest wind 5 to 8 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 81. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 62. South southwest wind 3 to 8 mph.
Sunday
Sunny, with a high near 82. South southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 42. West southwest wind 11 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.
Monday
Sunny, with a high near 58. North northeast wind 9 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 40. East northeast wind 5 to 7 mph.
Tuesday
Mostly cloudy, with a high near 60. South southeast wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 45. Southeast wind 3 to 5 mph.
Wednesday
A slight chance of showers. Partly sunny, with a high near 68. Northeast wind 7 to 9 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 51. South wind 6 to 9 mph.
Thursday
Sunny, with a high near 78. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Goreville IL
 37.56°N 88.99°W
Last Update:
1:26 pm CDT Mar 20, 2026
Forecast Valid:
1pm CDT Mar 20, 2026-6pm CDT Mar 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