Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

86°F

30°C

Humidity	78%
Wind Speed	S 9 mph
Barometer	29.91 in
Dewpoint	78°F (26°C)
Visibility	9.00 mi
Heat Index	99°F (37°C)
Last update	26 Aug 8:15 pm CDT

More Information:

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

Extended Forecast for

Port Lavaca TX

Tonight
Low: 78 °F
Mostly Clear
Thursday
High: 97 °F
Hot
Thursday Night
Low: 79 °F
Mostly Clear
Friday
High: 95 °F
Chance
T-storms
Friday Night
Low: 77 °F
Partly Cloudy
Saturday
High: 94 °F
Slight Chance
T-storms
Saturday Night
Low: 77 °F
Mostly Clear
Sunday
High: 91 °F
Slight Chance
T-storms
Sunday Night
Low: 78 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 78. South wind 6 to 10 mph.

Thursday

Sunny and hot, with a high near 97. Heat index values as high as 113. West wind 5 to 10 mph becoming southeast in the afternoon.

Thursday Night

Mostly clear, with a low around 79. South wind 6 to 11 mph becoming light after midnight.

Friday

A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 95. Heat index values as high as 110. Calm wind becoming southeast 5 to 9 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 77. Southeast wind 5 to 9 mph becoming calm after midnight.

Saturday

A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 94. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 77. Southeast wind 6 to 11 mph becoming light south after midnight.

Sunday

A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 91. Light south southeast wind becoming southeast 8 to 13 mph in the morning.

Sunday Night

Mostly clear, with a low around 78. Southeast wind 6 to 13 mph.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.

Monday Night

Mostly clear, with a low around 78.

Tuesday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.

Tuesday Night

Mostly clear, with a low around 78.

Wednesday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.