Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

81°F

27°C

Humidity 74%
Wind Speed W 5 mph
Barometer 29.91 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Aug 5:45 pm CDT
Extended Forecast for

4 Miles NNE Goreville IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rainfall.  Increasing clouds, with a low around 69. South southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    Low: 69 °F

    Heavy Rain

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 68. Calm wind.

    Low: 68 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 87. Light north wind.

    High: 87 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers.  Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 69. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 68. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 87. Light north wind.
Friday Night
Mostly clear, with a low around 67. Calm wind.
Saturday
Sunny, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 86. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 65. Calm wind.
Monday
A slight chance of showers before 1pm. Mostly sunny, with a high near 85. Calm wind becoming southeast around 6 mph in the morning.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. East southeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 88. Southeast wind 5 to 7 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 68. Calm wind.
Wednesday
Mostly sunny, with a high near 90. Calm wind becoming northwest around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Goreville IL
 37.6°N 88.96°W
5:41 pm CDT Aug 19, 2026
6pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

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