Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Mostly Cloudy

88°F

31°C

Humidity 43%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 29 Aug 2:45 pm CDT
Detailed forecast for

Johnson County

This Afternoon
Mostly sunny. Near steady temperature in the upper 80s. Southeast winds around 5 mph.
Tonight
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. Calm winds.
Sunday
Sunny. Highs in the lower 90s. South winds 5 to 10 mph.
Sunday Night
Mostly clear. Lows in the lower 70s. South winds around 5 mph.
Monday
Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph.
Monday Night Through Friday
Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s.



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207 PM CDT Sat Aug 29 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database