Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Mostly Cloudy

61°F

16°C

Humidity 94%
Wind Speed SW 7 mph
Barometer 29.94 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Apr 7:45 am CDT
Detailed forecast for

Johnson County

Today
Mostly cloudy this morning, then becoming mostly sunny. A chance of showers. A chance of thunderstorms this afternoon. Highs around 80. South winds 5 to 10 mph, becoming southwest this afternoon. Chance of rain 40 percent.
Tonight
Mostly clear. A chance of showers and thunderstorms in the evening. Lows around 60. South winds around 5 mph. Chance of rain 30 percent.
Friday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 5 to 10 mph. Gusts up to 25 mph in the afternoon. Chance of rain 40 percent.
Friday Night
Partly cloudy in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Lows in the mid 50s. South winds 5 to 10 mph. Gusts up to 25 mph after midnight. Chance of rain 60 percent.
Saturday
A chance of thunderstorms. Showers, cooler with highs in the upper 60s. Temperature falling to around 60 in the afternoon. West winds 10 to 15 mph, becoming northwest in the afternoon. Chance of rain 80 percent.
Saturday Night
Mostly cloudy in the evening, then clearing. Cooler with lows in the lower 40s.
Sunday And Sunday Night
Clear. Highs in the mid 60s. Lows in the lower 40s.
Monday And Monday Night
Mostly clear. Highs in the lower 70s. Lows around 50.
Tuesday Through Wednesday
Partly cloudy. Highs in the upper 70s. Lows in the mid 50s.



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642 AM CDT Thu Apr 16 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database