Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Fair

67°F

19°C

Humidity 70%
Wind Speed S 9 mph
Barometer 29.81 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Mar 12:15 am CDT
Detailed forecast for

Franklin County

Tonight
Clear. Lows in the lower 60s. South winds 5 to 10 mph.
Sunday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph. Chance of rain 20 percent.
Sunday Night
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Much cooler. Less humid with lows in the upper 30s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent.
Monday
Mostly sunny. Much cooler with highs in the upper 50s. North winds 5 to 10 mph.
Monday Night
Mostly cloudy. Lows in the lower 40s. Northeast winds around 5 mph.
Tuesday And Tuesday Night
Mostly cloudy. Highs in the mid 60s. Lows in the mid 40s.
Wednesday
Partly sunny. Highs in the lower 70s.
Wednesday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s.
Thursday
Sunny. Highs in the lower 80s.
Thursday Night
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Lows in the upper 40s. Chance of rain 40 percent.
Friday And Friday Night
Mostly cloudy. A 40 percent chance of showers. Highs in the upper 50s. Lows in the upper 30s.
Saturday
Partly sunny. Highs in the upper 50s.



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1112 PM CDT Sat Mar 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database