National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

46°F

8°C

Humidity 83%
Wind Speed NW 3 mph
Barometer 30.08 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 8 Mar 1:15 am CDT
Extended Forecast for

4 Miles ENE Vienna IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. North northwest wind around 6 mph becoming calm.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. Calm wind becoming southwest around 5 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. Light south southwest wind.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 61. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 9am. Cloudy, with a high near 78. South southwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after midnight. Cloudy, with a low around 62. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Cloudy, with a high near 73. South southwest wind 13 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 73 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before midnight. Partly cloudy, with a low around 35. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. North northwest wind around 6 mph becoming calm.
Sunday
Sunny, with a high near 64. Calm wind becoming southwest around 5 mph.
Sunday Night
Clear, with a low around 44. Light south southwest wind.
Monday
Sunny, with a high near 73. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 61. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 9am. Cloudy, with a high near 78. South southwest wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after midnight. Cloudy, with a low around 62. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 73. South southwest wind 13 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 35. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 56. Northwest wind 6 to 11 mph becoming light west in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 40. Calm wind becoming south southwest 5 to 9 mph after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 42. Southwest wind 6 to 8 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Partly sunny, with a high near 62. Northeast wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Vienna IL
 37.44°N 88.82°W
Last Update:
10:36 pm CST Mar 7, 2026
Forecast Valid:
12am CST Mar 8, 2026-6pm CDT Mar 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation