Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

NA

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint NA
Visibility NA
Last update *** Not a current observation ***
Detailed forecast for

Johnson County

This Afternoon
Mostly sunny. Near steady temperature in the mid 60s. Northeast winds around 5 mph.
Tonight
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s. Calm winds, becoming west around 5 mph after midnight.
Friday
Mostly sunny. Highs in the mid 60s. North winds 5 to 10 mph.
Friday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. Northeast winds around 5 mph.
Saturday
Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph.
Saturday Night
Mostly clear. Lows around 40.
Sunday
Sunny. Highs in the upper 60s.
Sunday Night
Clear in the evening, then becoming partly cloudy. Lows in the mid 50s.
Monday And Monday Night
Partly cloudy. Highs in the upper 70s. Lows in the upper 50s.
Tuesday
Partly sunny with a chance of showers in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.
Tuesday Night And Wednesday
Showers likely with a chance of thunderstorms. Lows in the mid 50s. Highs around 70. Chance of rain 70 percent.



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127 PM CDT Thu Apr 30 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database