National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed SW 8 mph
Barometer 30.16 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 6 Aug 12:45 pm CDT
Extended Forecast for

5 Miles NW Goreville IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 84. Light and variable wind.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. Light south southeast wind.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 87. South southwest wind 3 to 7 mph.

    High: 87 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. Light southwest wind. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 89. Light west southwest wind. Chance of precipitation is 10%.

    High: 89 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South southwest wind 3 to 7 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 84. Light and variable wind.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. Light south southeast wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 87. South southwest wind 3 to 7 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. Light southwest wind. Chance of precipitation is 60%.
Saturday
A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 89. Light west southwest wind. Chance of precipitation is 10%.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny, with a high near 91. South southwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 74. South wind around 5 mph.
Monday
Sunny, with a high near 91. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 75. South southwest wind around 9 mph.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Southwest wind around 9 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. South southwest wind around 8 mph.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. South southwest wind around 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Goreville IL
 37.6°N 89.07°W
Last Update:
11:41 am CDT Aug 6, 2026
Forecast Valid:
1pm CDT Aug 6, 2026-6pm CDT Aug 12, 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