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

62°F

17°C

Humidity 81%
Wind Speed S 5 mph
Barometer 30.15 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Apr 3:35 am CDT
Extended Forecast for

Goreville IL

  • Overnight

    Overnight: Mostly clear, with a low around 60. South wind around 7 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66. South wind 15 to 17 mph, with gusts as high as 28 mph.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. South southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. South southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

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

    High: 85 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 60. South wind around 7 mph.
Sunday
Mostly sunny, with a high near 81. South southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 66. South wind 15 to 17 mph, with gusts as high as 28 mph.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. South southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 67. South southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 85. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 62. South southwest wind around 6 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. South southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers. Partly cloudy, with a low around 65. South wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. South southwest wind 10 to 14 mph, with gusts as high as 24 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 88.96°W
Last Update:
1:26 am CDT Apr 12, 2026
Forecast Valid:
3am CDT Apr 12, 2026-6pm CDT Apr 18, 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