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

62°F

17°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 30.16 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 24 Jun 1:55 am CDT
Extended Forecast for

3 Miles SW Goreville IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 10pm and midnight. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 50%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 70%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. South southwest wind 3 to 8 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 88. South southwest wind 3 to 8 mph.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms between 10pm and midnight. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 70%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. South southwest wind 3 to 8 mph. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. South southwest wind 3 to 8 mph.
Saturday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 92. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 75. South wind 3 to 7 mph.
Monday
Sunny, with a high near 94. South southwest wind 3 to 8 mph.
Monday Night
Clear, with a low around 76. South wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Calm wind becoming south southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Goreville IL
 37.51°N 89.02°W
Last Update:
1:26 am CDT Jun 24, 2026
Forecast Valid:
2am CDT Jun 24, 2026-6pm CDT Jun 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation