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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Goreville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. Calm wind becoming south southwest around 5 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between 11am and 1pm. Mostly cloudy, with a high near 86. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 86 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 71. Light south wind.

    Low: 71 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. South southwest wind 3 to 7 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Light south southwest wind. Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 89. Southwest wind 3 to 5 mph.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Light south wind.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Light south wind becoming south southwest 5 to 9 mph in the morning.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. Calm wind becoming south southwest around 5 mph.
Tonight
Partly cloudy, with a low around 70. Light south wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 11am and 1pm. Mostly cloudy, with a high near 86. Calm wind becoming southeast 5 to 7 mph in the morning.
Thursday Night
A 40 percent chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 71. Light south wind.
Friday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. South southwest wind 3 to 7 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Light south southwest wind. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 89. Southwest wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 70. Light south wind.
Sunday
Sunny, with a high near 90. Light south wind becoming south southwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. South wind around 6 mph.
Monday
Sunny, with a high near 91. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 8 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southwest wind around 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Goreville IL
 37.56°N 88.99°W
Last Update:
11:20 am CDT Aug 5, 2026
Forecast Valid:
12pm CDT Aug 5, 2026-6pm CDT Aug 11, 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