Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Fair

68°F

20°C

Humidity 73%
Wind Speed SW 6 mph
Barometer 29.93 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 12 Oct 11:35 pm CDT
Detailed forecast for

Johnson County

Tonight
Clear this evening. Lows in the lower 60s. Southwest winds 5 to 10 mph.
Tuesday
Sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph.
Tuesday Night
Mostly clear. Lows around 70. Southwest winds around 5 mph.
Wednesday
A chance of thunderstorms. Showers. Highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 90 percent.
Wednesday Night
A chance of thunderstorms in the evening. Showers likely. Lows in the upper 60s. Calm winds. Chance of rain 70 percent.
Thursday And Thursday Night
Partly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Lows in the upper 50s. Chance of rain 50 percent.
Friday
Mostly sunny. Cooler with highs in the upper 60s.
Friday Night Through Saturday Night
Mostly clear. Lows in the lower 40s. Highs in the lower 60s.
Sunday Through Monday
Mostly clear. Highs in the lower 70s. Lows in the upper 40s.



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807 PM CDT Mon Oct 12 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database