Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair and Breezy

70°F

21°C

Humidity 23%
Wind Speed S 21 G 29 mph
Barometer 30.12 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 29 Mar 5:47 pm CDT
Extended Forecast for

6 Miles ENE Anna IL

Red Flag Warning until March 29, 07:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning until March 29, 07:00pm

    NOW until 7:00pm Sun

    Red Flag Warning

  • Tonight

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. South southwest wind 11 to 18 mph, with gusts as high as 30 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. South southwest wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. South southwest wind 11 to 18 mph, with gusts as high as 31 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 62. South southwest wind 8 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 40%.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers and possibly a thunderstorm after 1pm.  High near 78. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 61. South southeast wind 5 to 8 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  Cloudy, with a high near 73. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 73 °F

    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. South wind 8 to 10 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 78. South southwest wind 11 to 18 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 64. South southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Tuesday
Mostly sunny, with a high near 83. South southwest wind 11 to 18 mph, with gusts as high as 31 mph.
Tuesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 62. South southwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Wednesday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 78. South southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. South southeast wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. Cloudy, with a high near 73. South southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Showers likely. Mostly cloudy, with a low around 55. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 74. South wind 7 to 10 mph, with gusts as high as 18 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 59. Southeast wind around 7 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. South wind 8 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. South wind around 11 mph becoming west after midnight. Winds could gust as high as 20 mph.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 63. Northwest wind 10 to 13 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Anna IL
 37.5°N 89.16°W
5:51 pm CDT Mar 29, 2026
6pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database