Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Overcast and Breezy

77°F

25°C

Humidity 54%
Wind Speed S 21 G 36 mph
Barometer 29.83 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 2 Apr 4:45 pm CDT
Detailed forecast for

Johnson County

This Afternoon
Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the upper 70s. South winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 50 percent.
Tonight
Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the mid 60s. South winds 15 to 20 mph with gusts up to 35 mph, diminishing to 5 to 10 mph with gusts up to 25 mph after midnight. Chance of rain 60 percent.
Friday
Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. Showers likely, mainly in the morning. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent.
Friday Night
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. South winds 5 to 10 mph. Gusts up to 25 mph after midnight. Chance of rain 70 percent.
Saturday
A chance of thunderstorms. Showers. Locally heavy rainfall possible in the morning. Highs around 70. Temperature falling into the lower 60s in the afternoon. Southwest winds around 10 mph with gusts up to 25 mph, becoming west in the afternoon. Chance of rain near 100 percent.
Saturday Night
Mostly cloudy in the evening, then clearing. Much cooler with lows in the lower 40s.
Sunday
Sunny. Highs in the lower 60s.
Sunday Night And Monday
Clear. Lows in the upper 30s. Highs in the mid 60s.
Monday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.
Tuesday
Mostly sunny. Highs in the upper 50s.
Tuesday Night And Wednesday
Mostly clear. Lows in the upper 30s. Highs in the upper 60s.



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129 PM CDT Thu Apr 2 2026
 
 

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