Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Partly Cloudy

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 30 Sep 6:45 am CDT
Detailed forecast for

Williamson County

Today
Sunny. Highs in the upper 80s. Northeast winds 5 to 10 mph.
Tonight
Mostly clear. Lows around 60. Northeast winds around 5 mph in the evening, becoming light and variable.
Wednesday
Mostly sunny. Highs in the upper 80s. East winds 5 to 10 mph.
Wednesday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable.
Thursday
Mostly sunny. Highs in the upper 80s. Southeast winds around 5 mph.
Thursday Night And Friday
Mostly clear. Lows in the lower 60s. Highs in the mid 80s.
Friday Night Through Saturday Night
Clear. Lows in the upper 50s. Highs in the mid 80s.
Sunday And Sunday Night
Mostly clear. Highs in the lower 80s. Lows in the lower 60s.
Monday
Mostly sunny. Highs in the lower 80s.



Basemap Options
Click map to change the forecast location
Loading map...
713 AM CDT Tue Sep 30 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database