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

2 Miles SSW Goreville IL

Dense Fog Advisory until November 21, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until November 21, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Overnight

    Low: 53 °F

    Showers and
    Areas Dense
    Fog

  • Friday

    Friday: Showers, with thunderstorms also possible after 3pm. Areas of dense fog before noon. High near 64. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 90%.

    High: 64 °F

    Showers and
    Areas Dense
    Fog then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 49. North wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 58. North wind 3 to 6 mph.

    High: 58 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Light south southeast wind.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after noon. Cloudy, with a high near 60. South southeast wind 3 to 8 mph.

    High: 60 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers. Areas of dense fog. Low around 53. Light and variable wind. Chance of precipitation is 100%.
Friday
Showers, with thunderstorms also possible after 3pm. Areas of dense fog before noon. High near 64. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 90%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 49. North wind 3 to 6 mph. Chance of precipitation is 50%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 58. North wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 40. Calm wind.
Sunday
Sunny, with a high near 62. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 44. Light south southeast wind.
Monday
Showers likely, mainly after noon. Cloudy, with a high near 60. South southeast wind 3 to 8 mph.
Monday Night
Showers and possibly a thunderstorm before midnight, then showers likely. Mostly cloudy, with a low around 53. South southwest wind around 7 mph.
Tuesday
A chance of showers before noon. Partly sunny, with a high near 65. South southwest wind 5 to 8 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. Northwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 51. West northwest wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 29. West northwest wind 3 to 5 mph.
Thanksgiving Day
Mostly sunny, with a high near 45. West northwest wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Goreville IL
 37.54°N 88.99°W
Last Update:
1:41 am CST Nov 21, 2025
Forecast Valid:
1am CST Nov 21, 2025-6pm CST Nov 27, 2025
 
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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