Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Partly Cloudy

41°F

5°C

Humidity 95%
Wind Speed N 3 mph
Barometer 30.01 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 10 Jan 4:35 am CST
Detailed forecast for

Johnson County

Today
Mostly cloudy with a chance of showers this morning, then mostly sunny this afternoon. Highs in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.
Tonight
Mostly clear. A slight chance of rain showers in the evening. Cooler with lows in the upper 20s. West winds 5 to 10 mph. Gusts up to 25 mph after midnight. Chance of rain 20 percent.
Sunday
Sunny. Highs in the upper 30s. Northwest winds 5 to 10 mph. Gusts up to 25 mph in the morning.
Sunday Night
Mostly clear. Lows in the mid 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 mid 30s.
Tuesday
Mostly sunny. Highs in the upper 50s.
Tuesday Night And Wednesday
Mostly cloudy. Lows around 40. Highs in the upper 40s.
Wednesday Night
Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 20s.
Thursday And Thursday Night
Partly cloudy. Highs in the upper 30s. Lows in the mid 20s.
Friday
Partly sunny. Highs in the mid 40s.



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318 AM CST Sat Jan 10 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database