Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Fog/Mist

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 70°F (21°C)
Visibility 4.00 mi
Last update 15 Jun 6:45 am CDT
Detailed forecast for

Johnson County

Today
Patchy fog this morning. Partly sunny. Highs in the mid 80s. North winds around 5 mph.
Tonight
Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows around 70. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.
Monday
Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 80s. Southeast winds around 5 mph. Chance of rain 70 percent.
Monday Night
Mostly cloudy. Lows in the upper 60s. Southeast winds around 5 mph, becoming southwest after midnight.
Tuesday
Mostly sunny. Highs in the upper 80s. Southwest winds around 5 mph.
Tuesday Night
Mostly clear in the evening, then becoming mostly cloudy. Lows in the mid 70s.
Wednesday
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
Wednesday Night
Showers and thunderstorms likely, mainly in the evening. Lows in the lower 70s. Chance of rain 60 percent.
Juneteenth
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
Thursday Night And Friday
Mostly clear. Lows in the upper 60s. Highs in the upper 80s.
Friday Night And Saturday
Mostly clear. Lows in the lower 70s. Highs in the lower 90s.



Basemap Options
Click map to change the forecast location
Loading map...
528 AM CDT Sun Jun 15 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database