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

30°F

-1°C

Humidity 50%
Wind Speed NW 6 mph
Barometer 30.32 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 11 Jan 4:35 am CST
Extended Forecast for

4 Miles ENE Vienna IL

  • Today

    Today: Sunny, with a high near 39. Northwest wind 5 to 13 mph, with gusts as high as 29 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. South southwest wind around 6 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. West southwest wind 5 to 8 mph.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 46. Northwest wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 46 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. North northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 19 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. North northwest wind around 6 mph becoming light and variable in the afternoon.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 39. Northwest wind 5 to 13 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 25. Calm wind.
Monday
Sunny, with a high near 49. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 33. South southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 57. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. West southwest wind 5 to 8 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 46. Northwest wind 5 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 19. North northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 36. North northwest wind around 6 mph becoming light and variable in the afternoon.
Thursday Night
Partly cloudy, with a low around 25. Calm wind becoming south southwest around 6 mph after midnight.
Friday
Partly sunny, with a high near 43. West wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 24. West wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 36. West wind 5 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Vienna IL
 37.44°N 88.82°W
Last Update:
3:16 am CST Jan 11, 2026
Forecast Valid:
5am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

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