Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
70°F
21°C
| Humidity | 33% |
| Wind Speed | Calm |
| Barometer | 30.02 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 14 May 5:45 pm CDT |
Extended Forecast for
Vienna IL
Tonight
Low: 51 °F
Mostly Clear
Friday
High: 83 °F
Mostly Sunny
Friday Night
Low: 66 °F
Mostly Cloudy
then Slight
Chance
T-stormsSaturday
High: 88 °F
Chance
T-stormsSaturday Night
Low: 64 °F
Partly Cloudy
Sunday
High: 90 °F
Sunny
Sunday Night
Low: 69 °F
Clear
Monday
High: 91 °F
Mostly Sunny
then Slight
Chance
T-stormsMonday Night
Low: 72 °F
Chance
T-storms
Detailed Forecast
Tonight
Mostly clear, with a low around 51. Light east southeast wind.
Friday
Mostly sunny, with a high near 83. South southeast wind 6 to 13 mph, with gusts as high as 22 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 66. South wind around 8 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. South southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 64. South wind 3 to 7 mph.
Sunday
Sunny, with a high near 90. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Clear, with a low around 69. South wind 7 to 9 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South wind 8 to 14 mph, with gusts as high as 24 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. South southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. South wind 3 to 7 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Calm wind becoming southwest 5 to 7 mph in the morning.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Vienna IL
37.42°N 88.91°W
37.42°N 88.91°W
5:01 pm CDT May 14, 2026
5pm CDT May 14, 2026-6pm CDT May 21, 2026
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