Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Vienna IL
Today
High: 83 °F
Chance
T-stormsTonight
Low: 63 °F
Chance
Showers then
Showers
LikelySaturday
High: 68 °F⇓
Showers
Saturday Night
Low: 41 °F
Slight Chance
ShowersSunday
High: 62 °F
Sunny
Sunday Night
Low: 38 °F
Clear
Monday
High: 65 °F
Sunny
Monday Night
Low: 38 °F
Partly Cloudy
Tuesday
High: 58 °F
Mostly Sunny
Detailed Forecast
Today
A 40 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 83. South southwest wind 6 to 14 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 63. South wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. Temperature rising to near 68 by 11am, then falling to around 62 during the remainder of the day. South southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 41. Northwest wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 62. Calm wind becoming northwest 5 to 9 mph in the morning.
Sunday Night
Clear, with a low around 38. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 65. Calm wind becoming northwest 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 38. North wind around 6 mph.
Tuesday
Mostly sunny, with a high near 58. North northeast wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 38. Light east northeast wind.
Wednesday
Mostly sunny, with a high near 70. South wind 5 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 51. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 75. South wind 7 to 11 mph, with gusts as high as 21 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Vienna IL
37.42°N 88.91°W
37.42°N 88.91°W
5:31 am CDT Apr 3, 2026
7am CDT Apr 3, 2026-6pm CDT Apr 9, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
