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.

Fair

28°F

-2°C

Humidity 55%
Wind Speed E 6 mph
Barometer 30.35 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 7 Feb 8:35 pm CST
Extended Forecast for

3 Miles NNE Vienna IL

  • Tonight

    Tonight: Partly cloudy, with a low around 26. East southeast wind 3 to 5 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 48. Southeast wind around 6 mph becoming calm in the afternoon.

    High: 48 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57. Calm wind.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Light south wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 41. North northeast wind 3 to 5 mph. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before noon. Mostly cloudy, with a high near 50. Northeast wind around 6 mph.

    High: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers after midnight. Mostly cloudy, with a low around 37. Light east northeast wind.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. East southeast wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 48. Southeast wind around 6 mph becoming calm in the afternoon.
Sunday Night
Mostly clear, with a low around 31. Calm wind.
Monday
Sunny, with a high near 57. Calm wind.
Monday Night
Mostly clear, with a low around 40. Light south wind.
Tuesday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 65. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 41. North northeast wind 3 to 5 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers before noon. Mostly cloudy, with a high near 50. Northeast wind around 6 mph.
Wednesday Night
A chance of showers after midnight. Mostly cloudy, with a low around 37. Light east northeast wind.
Thursday
A chance of showers. Mostly cloudy, with a high near 48. Calm wind becoming east northeast around 6 mph in the morning.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 33. Light north northeast wind.
Friday
A slight chance of showers. Mostly cloudy, with a high near 48. Northeast wind 3 to 7 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 30. Northeast wind 3 to 5 mph.
Saturday
A chance of showers. Partly sunny, with a high near 44. Northeast wind 5 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Vienna IL
 37.44°N 88.88°W
Last Update:
6:22 pm CST Feb 7, 2026
Forecast Valid:
8pm CST Feb 7, 2026-6pm CST Feb 14, 2026
 
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