Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Partly Cloudy

43°F

6°C

Humidity 61%
Wind Speed NW 12 G 21 mph
Barometer 30.14 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 10 Jan 2:47 pm CST
Detailed forecast for

Johnson County

Tonight
Mostly clear with a slight chance of sprinkles this evening, then partly cloudy after midnight. Lows in the upper 20s. West winds 10 to 15 mph, becoming northwest after midnight. Gusts up to 30 mph.
Sunday
Sunny. Highs around 40. Northwest winds 10 to 15 mph. Gusts up to 30 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. Southwest winds 5 to 10 mph.
Tuesday
Mostly sunny. Highs in the upper 50s.
Tuesday Night And Wednesday
Mostly cloudy. Lows around 40. Highs in the mid 40s.
Wednesday Night
Mostly cloudy in the evening, then becoming partly cloudy. Much cooler with lows around 20.
Thursday And Thursday Night
Partly cloudy. Highs in the upper 30s. Lows in the upper 20s.
Friday
Partly sunny. Highs in the mid 40s.
Friday Night
Partly cloudy. Lows in the mid 20s.
Saturday
Partly sunny. Highs in the upper 30s.



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318 PM CST Sat Jan 10 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database