Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77° N Lon: 89.01° W Elev: 486 ft.

A Few Clouds

75°F

24°C

Humidity 65%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 9:45 am CDT
Detailed forecast for

Williamson County

Today
Patchy fog this morning. Sunny. Highs in the mid 80s. Northwest winds 5 to 10 mph.
Tonight
Mostly cloudy in the evening, then becoming partly cloudy. Lows around 60. North winds around 5 mph in the evening, becoming light and variable.
Monday
Mostly sunny. Highs in the mid 80s. Calm winds, becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable.
Tuesday
Sunny. Highs in the mid 80s. East winds around 5 mph.
Tuesday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
Wednesday
Mostly sunny. Highs in the upper 80s.
Wednesday Night Through Saturday
Mostly clear. Lows in the upper 60s. Highs in the upper 80s.



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302 AM CDT Sun Aug 23 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database