Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

40°F

4°C

Humidity 45%
Wind Speed N 8 mph
Barometer 30.61 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 28 Mar 2:55 am CDT
Extended Forecast for

Vienna IL

Freeze Warning until March 28, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until March 28, 09:00am

    NOW until 9:00am Sat

    Freeze Warning

  • Overnight

    Low: 37 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 58. North northeast wind around 6 mph becoming light and variable  in the afternoon.

    High: 58 °F

    Sunny

  • Saturday Night

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

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. South wind around 7 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. South southwest wind 8 to 15 mph, with gusts as high as 26 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. South wind around 11 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. South southwest wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Overnight
Clear, with a steady temperature around 37. North wind around 7 mph.
Saturday
Sunny, with a high near 58. North northeast wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
Mostly clear, with a low around 39. Calm wind.
Sunday
Mostly sunny, with a high near 70. Light south wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 56. South wind around 7 mph.
Monday
Mostly sunny, with a high near 79. South southwest wind 8 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 65. South wind around 11 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 83. South southwest wind 11 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. South southwest wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 64. North wind around 10 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46. Northeast wind around 8 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 60. Northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48. East wind 5 to 7 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 72. East wind 5 to 8 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna IL
 37.42°N 88.88°W
1:26 am CDT Mar 28, 2026
3am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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Additional Resources

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