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.

Mostly Cloudy

81°F

27°C

Humidity 74%
Wind Speed W 5 mph
Barometer 29.93 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Aug 3:45 pm CDT
Extended Forecast for

4 Miles NNE Goreville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 82. South southwest wind around 5 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 70%.

    Low: 69 °F

    Heavy Rain
    then Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.

    High: 85 °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 sunny, with a high near 86. Light north wind.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Saturday Night

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

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 82. South southwest wind around 5 mph.
Tonight
Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 68. Calm wind.
Friday
Mostly sunny, with a high near 86. Light north wind.
Friday Night
Mostly clear, with a low around 68. Calm wind.
Saturday
Sunny, with a high near 86. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 67. Calm wind.
Sunday
Sunny, with a high near 85. 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. Mostly sunny, with a high near 84. 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 67. Light east southeast wind.
Tuesday
Mostly sunny, with a high near 87. Southeast wind 3 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Goreville IL
 37.6°N 88.93°W
Last Update:
1:26 pm CDT Aug 19, 2026
Forecast Valid:
4pm CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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