Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Fair

35°F

2°C

Humidity 96%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 7 Jan 3:15 am CST
Detailed forecast for

Johnson County

Today
Patchy fog this morning. Mostly sunny. Highs in the upper 50s. South winds around 5 mph.
Tonight
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s. Southeast winds around 5 mph.
Thursday
Cloudy. A chance of showers in the afternoon. Highs in the mid 60s. South winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of rain 50 percent.
Thursday Night
Showers. Near steady temperature in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.
Friday
Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the mid 60s. Southwest winds 5 to 10 mph, becoming west in the afternoon.
Friday Night
Mostly cloudy. Showers likely, mainly in the evening. Lows in the mid 40s. Chance of rain 70 percent.
Saturday
Mostly cloudy in the morning, then becoming partly sunny. Cooler with highs in the lower 50s.
Saturday Night
Partly cloudy in the evening, then becoming mostly clear. Cooler with lows in the upper 20s.
Sunday And Sunday Night
Mostly clear. Highs in the upper 30s. Lows in the lower 20s.
Monday
Sunny. Highs in the lower 40s.
Monday Night And Tuesday
Partly cloudy. Lows in the upper 20s. Highs in the upper 40s.



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317 AM CST Wed Jan 7 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database