Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

24°F

-4°C

Humidity 73%
Wind Speed S 7 mph
Barometer 30.45 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 12 Jan 1:55 am CST
Extended Forecast for

Vienna IL

  • Overnight

    Overnight: Mostly clear, with a low around 23. Light south southwest wind.

    Low: 23 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. South southwest wind 3 to 6 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 41. West southwest wind 3 to 8 mph.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of rain showers before 3pm, then a slight chance of rain and snow showers.  Mostly cloudy, with a high near 46. Light west northwest wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. North northwest wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 33. North northwest wind 5 to 9 mph becoming light west northwest  in the afternoon.

    High: 33 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 23. Light south southwest wind.
Monday
Sunny, with a high near 50. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 32. South southwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 58. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41. West southwest wind 3 to 8 mph.
Wednesday
A slight chance of rain showers before 3pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 46. Light west northwest wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 19. North northwest wind 9 to 13 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 33. North northwest wind 5 to 9 mph becoming light west northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 22. Calm wind becoming south southwest around 6 mph after midnight.
Friday
Partly sunny, with a high near 45. South southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 23. West southwest wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 36. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 13. West northwest wind around 6 mph.
Sunday
Sunny, with a high near 30. West wind 6 to 10 mph, with gusts as high as 18 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna IL
 37.42°N 88.91°W
1:17 am CST Jan 12, 2026
2am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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