Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Fair

81°F

27°C

Humidity 39%
Wind Speed S 6 mph
Barometer 30.09 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 28 Aug 5:45 pm CDT
Detailed forecast for

Johnson County

Tonight
Mostly clear. Lows in the upper 50s. Southwest winds around 5 mph this evening, becoming light and variable.
Friday
Sunny. Highs in the upper 80s. Northeast winds around 5 mph.
Friday Night
Mostly clear. Lows in the upper 50s. Northeast winds around 5 mph.
Saturday
Sunny. Highs in the mid 80s. Northeast winds around 5 mph.
Saturday Night
Mostly clear. Lows in the upper 50s. Northeast winds around 5 mph.
Sunday
Sunny. Highs in the mid 80s.
Sunday Night Through Monday Night
Partly cloudy. Lows in the upper 50s. Highs in the mid 80s.
Tuesday And Tuesday Night
Partly cloudy. Highs in the upper 70s. Lows in the upper 50s.
Wednesday
Sunny. Highs in the lower 80s.
Wednesday Night And Thursday
Partly cloudy. Lows in the mid 50s. Highs in the mid 70s.



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429 PM CDT Thu Aug 28 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database