Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fog/Mist

62°F

17°C

Humidity 98%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 62°F (17°C)
Visibility 3.00 mi
Last update 28 Aug 4:15 am CDT
Extended Forecast for

Vienna IL

  • Today

    Today: Sunny, with a high near 88. Calm wind becoming north northeast around 6 mph in the morning.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 89. Calm wind.

    High: 89 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Calm wind becoming southwest around 6 mph in the morning.

    High: 96 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind becoming north northeast around 6 mph in the morning.
Tonight
Mostly clear, with a low around 63. Calm wind.
Saturday
Increasing clouds, with a high near 89. Calm wind.
Saturday Night
Partly cloudy, with a low around 64. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind becoming south southwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 70. Calm wind.
Monday
Sunny, with a high near 94. Calm wind becoming south southwest 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 72. Calm wind.
Tuesday
Sunny, with a high near 96. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 74. Calm wind.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming southwest around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. Calm wind.
Thursday
A slight chance of showers. Sunny and hot, with a high near 97. Calm wind becoming southwest around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna IL
 37.42°N 88.88°W
1:26 am CDT Aug 28, 2026
4am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
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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