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

Overnight
Cloudy with a 20 percent chance of rain. Not as cool. Near steady temperature in the lower 40s. Southwest winds around 15 mph with gusts up to 35 mph.
Wednesday
Mostly cloudy. Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. Northwest winds 15 to 20 mph with gusts up to 40 mph.
Wednesday Night
Mostly cloudy. Cooler with lows in the mid 20s. Northwest winds 5 to 10 mph.
Thursday
Partly sunny. Highs in the upper 30s. Northwest winds around 5 mph, becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy. Near steady temperature in the mid 30s. South winds 5 to 10 mph.
Friday
Mostly sunny. Highs in the upper 40s. Temperature falling into the lower 40s in the afternoon.
Friday Night And Saturday
Mostly cloudy. Lows in the lower 20s. Highs in the upper 30s.
Saturday Night
Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows 10 to 15.
Sunday And Sunday Night
Mostly clear. Highs in the upper 20s. Lows 10 to 15.
Monday
Mostly sunny. Highs in the upper 30s.
Monday Night And Tuesday
Mostly cloudy. Lows in the upper 20s. Highs in the mid 40s.



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133 AM CST Wed Dec 10 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database