Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fog/Mist

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.86 in
Dewpoint 61°F (16°C)
Visibility 5.00 mi
Last update 21 Nov 6:45 pm CST
Extended Forecast for

4 Miles NE Vienna IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Patchy fog before 8pm, then patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 50. Light and variable wind becoming north northwest 5 to 7 mph after midnight.  Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 10am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 60. North wind 3 to 7 mph.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Light west wind.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, mainly after noon.  Cloudy, with a high near 61. Calm wind becoming south southeast 5 to 7 mph in the morning.  Chance of precipitation is 60%.

    High: 61 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers.  Low around 52. South wind around 6 mph.  Chance of precipitation is 100%.

    Low: 52 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before noon.  Partly sunny, with a high near 66. South southwest wind 5 to 7 mph becoming west northwest in the afternoon.

    High: 66 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. North northwest wind 3 to 6 mph.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Patchy fog before 8pm, then patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 50. Light and variable wind becoming north northwest 5 to 7 mph after midnight. Chance of precipitation is 40%.
Saturday
Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 60. North wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 40. Light west wind.
Sunday
Sunny, with a high near 63. Calm wind.
Sunday Night
Partly cloudy, with a low around 41. Calm wind.
Monday
Showers likely, mainly after noon. Cloudy, with a high near 61. Calm wind becoming south southeast 5 to 7 mph in the morning. Chance of precipitation is 60%.
Monday Night
Showers. Low around 52. South wind around 6 mph. Chance of precipitation is 100%.
Tuesday
A chance of showers before noon. Partly sunny, with a high near 66. South southwest wind 5 to 7 mph becoming west northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 38. North northwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 51. Northwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 29. Light west northwest wind.
Thanksgiving Day
Mostly sunny, with a high near 48. Calm wind becoming west 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 31. Calm wind.
Friday
A slight chance of showers. Mostly sunny, with a high near 47. Calm wind becoming north around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Vienna IL
 37.46°N 88.82°W
6:16 pm CST Nov 21, 2025
7pm CST Nov 21, 2025-6pm CST Nov 28, 2025
 
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Additional Resources

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