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.

Fair

57°F

14°C

Humidity 48%
Wind Speed SE 14 mph
Barometer 30.23 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 6 Nov 9:47 am CST
Extended Forecast for

Vienna IL

  • Today

    Today: Sunny, with a high near 67. Southeast wind 6 to 9 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Southeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 22 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after noon. Mostly cloudy, then gradually becoming sunny, with a high near 72. Southwest wind 6 to 11 mph becoming light west southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 71. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 37. Southwest wind 6 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. North northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43. Northwest wind 5 to 10 mph.

    High: 43 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 67. Southeast wind 6 to 9 mph.
Tonight
Increasing clouds, with a low around 53. Southeast wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 22 mph.
Friday
A slight chance of showers, with thunderstorms also possible after noon. Mostly cloudy, then gradually becoming sunny, with a high near 72. Southwest wind 6 to 11 mph becoming light west southwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 44. Calm wind.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 71. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Saturday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 37. Southwest wind 6 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 45. North northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 24. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 43. Northwest wind 5 to 10 mph.
Monday Night
Clear, with a low around 26. Calm wind becoming south southwest around 5 mph after midnight.
Veterans Day
Mostly sunny, with a high near 55. South southwest wind 6 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 40. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 62. West southwest wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vienna IL
 37.42°N 88.88°W
Last Update:
8:21 am CST Nov 6, 2025
Forecast Valid:
10am CST Nov 6, 2025-6pm CST Nov 12, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation