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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

72°F

22°C

Humidity 69%
Wind Speed SW 12 mph
Barometer 29.68 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Nov 3:45 pm CST
Extended Forecast for

2 Miles NW Vienna IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. Southwest wind around 9 mph, with gusts as high as 24 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 48. Southwest wind 5 to 8 mph becoming north after midnight.

    Low: 48 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 61. North wind 6 to 9 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear

  • Monday

    Monday: A 20 percent chance of showers after noon. Sunny, with a high near 62. Calm wind becoming southeast around 6 mph in the morning.

    High: 62 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 49. Southeast wind 5 to 7 mph. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before noon, then a slight chance of showers. Partly sunny, with a high near 73. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 54. Southwest wind 3 to 6 mph.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 70. South southwest wind 3 to 6 mph.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 73. Southwest wind around 9 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 48. Southwest wind 5 to 8 mph becoming north after midnight.
Sunday
Sunny, with a high near 61. North wind 6 to 9 mph.
Sunday Night
Clear, with a low around 36. Calm wind.
Monday
A 20 percent chance of showers after noon. Sunny, with a high near 62. Calm wind becoming southeast around 6 mph in the morning.
Monday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 49. Southeast wind 5 to 7 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms before noon, then a slight chance of showers. Partly sunny, with a high near 73. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 54. Southwest wind 3 to 6 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 70. South southwest wind 3 to 6 mph.
Wednesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 56. Calm wind becoming south southeast around 5 mph after midnight.
Thursday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 69. South wind 5 to 9 mph.
Thursday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 56. South wind around 8 mph.
Friday
Showers likely. Partly sunny, with a high near 66. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Vienna IL
 37.44°N 88.94°W
Last Update:
3:21 pm CST Nov 15, 2025
Forecast Valid:
4pm CST Nov 15, 2025-6pm CST Nov 21, 2025
 
Forecast Discussion
 
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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