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

75°F

24°C

Humidity 34%
Wind Speed S 12 mph
Barometer 30.19 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 9 Apr 5:47 pm CDT
Extended Forecast for

Goreville IL

  • Tonight

    Tonight: Mostly clear, with a low around 55. South wind 7 to 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 78. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 78 °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. Mostly cloudy, with a low around 55. North wind around 6 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. East northeast wind around 6 mph becoming south southeast in the afternoon.

    High: 79 °F

    Partly Sunny
    then 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 80. South southwest wind 7 to 16 mph, with gusts as high as 29 mph.

    High: 80 °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 66. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    Low: 66 °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 81. South southwest wind 14 to 16 mph, with gusts as high as 29 mph.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 68. South southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. South wind 7 to 9 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 78. South southwest 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. Mostly cloudy, with a low around 55. North wind around 6 mph. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79. East northeast wind around 6 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 59. Southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 80. 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 66. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 81. South southwest wind 14 to 16 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 68. South southwest wind around 14 mph, with gusts as high as 24 mph.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South southwest wind 13 to 17 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 14 mph, with gusts as high as 24 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 13 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Southwest wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Goreville IL
 37.56°N 88.99°W
Last Update:
5:26 pm CDT Apr 9, 2026
Forecast Valid:
6pm CDT Apr 9, 2026-6pm CDT Apr 16, 2026
 
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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