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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

45°F

7°C

Humidity 46%
Wind Speed S 16 G 23 mph
Barometer 30.01 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 13 Mar 12:35 am CDT
Extended Forecast for

3 Miles W Vienna IL

  • Overnight

    Overnight: Partly cloudy, with a low around 41. South southwest wind 7 to 14 mph, with gusts as high as 33 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65. Southwest wind 10 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 31 mph.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. North northwest wind around 5 mph becoming light and variable.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 69. East wind 6 to 11 mph becoming south in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. South wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 11 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.

    High: 73 °F

    Mostly Cloudy
    then Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Rain showers before 1am, then a chance of rain and snow showers. Some thunder is also possible. Low around 27. South southwest wind around 18 mph becoming west northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

    Low: 27 °F

    Showers then
    Rain/Snow

  • Monday

    Monday: Mostly cloudy, with a high near 35. West northwest wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 35 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. South southwest wind 7 to 14 mph, with gusts as high as 33 mph.
Friday
Mostly sunny, with a high near 65. Southwest wind 10 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Mostly clear, with a low around 39. North northwest wind around 5 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 69. East wind 6 to 11 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 55. South wind 6 to 9 mph, with gusts as high as 20 mph.
Sunday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 73. Breezy, with a south wind 11 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.
Sunday Night
Rain showers before 1am, then a chance of rain and snow showers. Some thunder is also possible. Low around 27. South southwest wind around 18 mph becoming west northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.
Monday
Mostly cloudy, with a high near 35. West northwest wind 15 to 17 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 17. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 40. West wind 5 to 7 mph.
Tuesday Night
A slight chance of snow showers. Mostly cloudy, with a low around 28. South southeast wind 5 to 7 mph.
Wednesday
Partly sunny, with a high near 56. South southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 40. South southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 67. South southwest wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Vienna IL
 37.4°N 88.97°W
Last Update:
11:56 pm CDT Mar 12, 2026
Forecast Valid:
12am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation