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

4 Miles ENE Vienna IL

  • Today

    Today: Sunny, with a high near 65. Calm wind becoming west northwest 5 to 7 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. Light south wind.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. Light south wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. South southwest wind around 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. South southwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. Southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. North northwest wind 5 to 7 mph.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 65. Calm wind becoming west northwest 5 to 7 mph.
Tonight
Mostly clear, with a low around 39. Calm wind.
Thursday
Mostly sunny, with a high near 63. Light and variable wind.
Thursday Night
Mostly cloudy, with a low around 47. Light south wind.
Friday
Mostly sunny, with a high near 71. Light south wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 56. South southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 75. South southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 51. Southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 65. North northwest wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 42. Light and variable wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 62. Light and variable wind becoming south southeast 5 to 7 mph in the morning.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 46. South southeast wind around 6 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 62. South wind 6 to 8 mph becoming north northwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Vienna IL
 37.44°N 88.82°W
Last Update:
6:41 am CST Nov 12, 2025
Forecast Valid:
6am CST Nov 12, 2025-6pm CST Nov 18, 2025
 
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