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

19°F

-7°C

Humidity 68%
Wind Speed N 12 mph
Barometer 30.55 in
Dewpoint 10°F (-12°C)
Visibility 7.00 mi
Wind Chill6°F (-14°C)
Last update 23 Feb 9:47 am CST
Extended Forecast for

3 Miles NNE Vienna IL

  • Today

    Today: Sunny, with a high near 34. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 34 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 49. Breezy, with a light south wind becoming south southwest 16 to 21 mph in the morning. Winds could gust as high as 31 mph.

    High: 49 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. South southwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 25 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. Calm wind becoming west around 5 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 42. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 60%.

    Low: 42 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before noon, then a slight chance of showers. Partly sunny, with a high near 54. South southwest wind 6 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. North northwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Calm wind becoming south southwest around 6 mph.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 34. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 19. Calm wind.
Tuesday
Increasing clouds, with a high near 49. Breezy, with a light south wind becoming south southwest 16 to 21 mph in the morning. Winds could gust as high as 31 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South southwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 25 mph.
Wednesday
Partly sunny, with a high near 57. Calm wind becoming west around 5 mph.
Wednesday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 42. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm before noon, then a slight chance of showers. Partly sunny, with a high near 54. South southwest wind 6 to 8 mph becoming north northwest in the afternoon. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 30. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 58. Calm wind becoming south southwest around 6 mph.
Friday Night
Clear, with a low around 38. Calm wind.
Saturday
Sunny, with a high near 64. Calm wind becoming south southwest 5 to 8 mph in the morning.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 38. South wind around 6 mph becoming north northeast in the evening.
Sunday
A chance of showers. Partly sunny, with a high near 55. North northeast wind 6 to 9 mph, with gusts as high as 18 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:
7:52 am CST Feb 23, 2026
Forecast Valid:
10am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation