Heavy Rainfall Across South Texas; Heat in the West

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and Lower Mississippi River Valley through Thursday. Hot temperatures will persist over central and northern California and the Pacific Northwest through today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

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

Fog/Mist

57°F

14°C

Humidity	98%
Wind Speed	Calm
Barometer	29.90 in
Dewpoint	56°F (13°C)
Visibility	1.25 mi
Last update	16 Jun 5:15 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Johnson County

Overnight

Mostly clear. Near steady temperature around 60. Calm winds.

Tuesday

Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

Tuesday Night

Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 30 percent.

Wednesday

Mostly sunny. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 25 mph, increasing to 15 to 20 mph with gusts up to 40 mph in the afternoon.

Wednesday Night

Mostly clear with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely after midnight. Lows in the lower 70s. Southwest winds 15 to 20 mph. Gusts up to 40 mph, decreasing to 30 mph after midnight. Chance of rain 70 percent.

Thursday

A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.

Thursday Night

Showers likely, mainly in the evening. Lows in the lower 60s. Chance of rain 60 percent.

Juneteenth

Mostly sunny. Highs in the lower 80s.

Friday Night And Saturday

Mostly clear. Lows in the lower 60s. Highs in the mid 80s.

Saturday Night

Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.

Sunday

Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

Sunday Night

A chance of thunderstorms in the evening. Showers likely. Lows in the lower 70s. Chance of rain 70 percent.

Monday

Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.