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 18 G 26 mph
Barometer 30.05 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Apr 12:45 pm CDT
Extended Forecast for

6 Miles WNW Goreville IL

  • This Afternoon

    This Afternoon: A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 79. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 79 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. South southwest wind 14 to 16 mph, with gusts as high as 29 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 83. South southwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 83 °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 64. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 77. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 77 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61. South southwest wind 5 to 8 mph.

    Low: 61 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 85. South wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 79. South southwest wind 10 to 15 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 84. South southwest wind 14 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 66. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 83. 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 64. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 77. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61. South southwest wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 85. South wind 6 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 65. South wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 77. South southwest wind around 14 mph, with gusts as high as 25 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 64. Northwest wind around 9 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Goreville IL
 37.58°N 89.07°W
Last Update:
1:26 pm CDT Apr 13, 2026
Forecast Valid:
1pm CDT Apr 13, 2026-6pm CDT Apr 19, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation