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

73°F

23°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 29.93 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 1:35 am CDT
Extended Forecast for

6 Miles WNW Goreville IL

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 71. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. South southwest wind 11 to 17 mph, with gusts as high as 29 mph.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. 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 70%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 80. South southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 61. South southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 60. South wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 60 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. South southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 41. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 71. South southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 82. South southwest wind 11 to 17 mph, with gusts as high as 29 mph.
Wednesday Night
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. 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 70%.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 80. South 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 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 61. South southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 21 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 60. South wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 72. South southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 41. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 63. West northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 40. Northwest wind 5 to 7 mph becoming east after midnight.
Monday
Sunny, with a high near 69. South wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 48. South wind around 7 mph.
Tuesday
Mostly sunny, with a high near 74. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Goreville IL
 37.58°N 89.07°W
Last Update:
1:26 am CDT Apr 15, 2026
Forecast Valid:
1am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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