Areas of Heavy Rainfall and Heat Early This Week

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and lower Mississippi River Valley today into Thursday. Rainfall totals of 5 to 10 inches are expected. Hot temperatures may cause heat illnesses over central and northern California and the Pacific Northwest through Tuesday. Read More >

Hazardous Weather Conditions

Flood Watch until June 18, 07:00 AM CDT

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Light Rain Fog/Mist

77°F

25°C

Humidity	100%
Wind Speed	NE 6 mph
Barometer	29.92 in
Dewpoint	77°F (25°C)
Visibility	5.00 mi
Heat Index	78°F (26°C)
Last update	15 Jun 1:55 pm CDT

More Information:

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

Extended Forecast for

Port Lavaca TX

Flood Watch June 15, 02:19pm until June 18, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch June 15, 02:19pm until June 18, 07:00am
NOW until 7:00am Thu
Flood Watch
This Afternoon
High: 87 °F
Showers
Tonight
Low: 76 °F
Heavy Rain
Tuesday
High: 83 °F
Heavy Rain
Tuesday Night
Low: 76 °F
Heavy Rain
Wednesday
High: 88 °F
Showers
Likely
Wednesday Night
Low: 79 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 91 °F
Slight Chance
T-storms
Thursday Night
Low: 81 °F
Mostly Clear
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 87. Heat index values as high as 100. South southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and midnight, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 76. Southeast wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.

Tuesday

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 83. Heat index values as high as 92. South southeast wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

Tuesday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Low around 76. East southeast wind around 9 mph. Chance of precipitation is 80%.

Wednesday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. South southeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Wednesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79. South wind 11 to 14 mph, with gusts as high as 21 mph.

Thursday

A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 91. South wind 14 to 18 mph, with gusts as high as 24 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 81. South southeast wind 14 to 16 mph, with gusts as high as 22 mph.

Juneteenth

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Southeast wind around 14 mph, with gusts as high as 18 mph.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 80.

Saturday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.

Saturday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 80.

Sunday

Mostly sunny, with a high near 91.