Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

64°F

18°C

Humidity 73%
Wind Speed S 6 mph
Barometer 30.00 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 2:35 am CDT
Extended Forecast for

Vienna IL

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Partly sunny, then gradually becoming sunny, with a high near 89. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 89 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. South southwest wind 3 to 5 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Light south southwest wind becoming southwest 5 to 9 mph in the morning.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. Light south southwest wind.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm.  High near 87. West southwest wind 3 to 6 mph.  Chance of precipitation is 80%.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 86 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after 1am.  Partly cloudy, with a low around 56. Light west wind becoming northwest 5 to 10 mph after midnight.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Calm wind.
Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 89. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 62. South southwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 91. Light south southwest wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
Mostly clear, with a low around 69. Light south southwest wind.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. West southwest wind 3 to 6 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 56. Light west wind becoming northwest 5 to 10 mph after midnight.
Friday
Mostly sunny, with a high near 67. North northwest wind 15 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 39. North wind 8 to 14 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 62. Northeast wind 7 to 9 mph.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 70. Calm wind becoming south 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 Oct 12, 2026
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

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