Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

A Few Clouds

37°F

3°C

Humidity 48%
Wind Speed W 12 mph
Barometer 30.54 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 11 Jan 3:45 pm CST
Detailed forecast for

Johnson County

Tonight
Clear. Lows in the lower 20s. Calm winds, becoming southwest around 5 mph after midnight.
Monday
Sunny. Highs in the upper 40s. Southwest winds 5 to 10 mph.
Monday Night
Mostly clear. Lows in the lower 30s. Southwest winds 5 to 10 mph.
Tuesday
Mostly sunny. Highs in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Night
Mostly cloudy. A chance of showers after midnight. Lows in the lower 40s. Southwest winds 5 to 10 mph. Chance of rain 30 percent.
Wednesday And Wednesday Night
Mostly cloudy. Highs in the mid 40s. Lows around 20.
Thursday
Mostly sunny. Highs in the lower 30s.
Thursday Night Through Friday Night
Mostly cloudy. Lows in the mid 20s. Highs in the lower 40s.
Saturday
Partly sunny. Highs in the mid 30s.
Saturday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows around 20.
Sunday
Sunny. Highs in the lower 30s.



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318 PM CST Sun Jan 11 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database