Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy and Windy

34°F

1°C

Humidity 60%
Wind Speed N 13819 mph
Barometer 30.28 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill-41°F (-41°C)
Last update 1 Dec 11:47 am CST
Extended Forecast for

Vienna IL

Winter Weather Advisory December 1, 06:00pm until December 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: A 40 percent chance of snow after 3pm.  Cloudy, with a high near 34. Light and variable wind.

    High: 34 °F

    Chance Snow

  • Tonight

    Tonight: Drizzle, snow, freezing rain, and sleet before 2am, then a chance of freezing rain between 2am and 3am.  Low around 25. Calm wind becoming north northwest around 6 mph after midnight.  Chance of precipitation is 90%. Little or no ice accumulation expected.  New snow and sleet accumulation of less than one inch possible.

    Low: 25 °F

    Wintry Mix

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 34. North northwest wind around 6 mph becoming calm  in the afternoon.

    High: 34 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. Calm wind becoming south southwest 5 to 7 mph.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Calm wind becoming north northwest around 6 mph after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32. North wind 3 to 7 mph.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow showers after midnight.  Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday

    Friday: A chance of snow showers before noon, then a chance of rain showers.  Mostly cloudy, with a high near 37. Light and variable wind.

    High: 37 °F

    Chance Snow
    Showers then
    Chance
    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of snow after 3pm. Cloudy, with a high near 34. Light and variable wind.
Tonight
Drizzle, snow, freezing rain, and sleet before 2am, then a chance of freezing rain between 2am and 3am. Low around 25. Calm wind becoming north northwest around 6 mph after midnight. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of less than one inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 34. North northwest wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 19. Calm wind.
Wednesday
Mostly sunny, with a high near 41. Calm wind becoming south southwest 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind becoming north northwest around 6 mph after midnight.
Thursday
Partly sunny, with a high near 32. North wind 3 to 7 mph.
Thursday Night
A chance of snow showers after midnight. Mostly cloudy, with a low around 21. Calm wind.
Friday
A chance of snow showers before noon, then a chance of rain showers. Mostly cloudy, with a high near 37. Light and variable wind.
Friday Night
A chance of showers before midnight. Mostly cloudy, with a low around 27. Calm wind.
Saturday
Partly sunny, with a high near 43. Calm wind becoming southwest around 6 mph.
Saturday Night
Mostly cloudy, with a low around 30. Light and variable wind.
Sunday
Partly sunny, with a high near 41. Light and variable wind becoming northwest around 6 mph in the morning.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna IL
 37.42°N 88.91°W
10:57 am CST Dec 1, 2025
12pm CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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