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

Low: 59 °F
Partly Cloudy
Columbus Day

High: 89 °F
Becoming
SunnyMonday Night

Low: 62 °F
Mostly Clear
Tuesday

High: 91 °F
Sunny
Tuesday Night

Low: 69 °F
Mostly Clear
Wednesday
High: 87 °F
Chance
Showers then
ShowersWednesday Night
Low: 66 °F
Chance
T-storms then
Showers
LikelyThursday

High: 86 °F
Chance
ShowersThursday Night

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
37.42°N 88.88°W
1:26 am CDT Oct 12, 2026
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026


