Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fog

74°F

23°C

Humidity	100%
Wind Speed	N 6 mph
Barometer	29.96 in
Dewpoint	74°F (23°C)
Visibility	0.25 mi
Last update	19 Sep 5:50 am CDT

More Information:

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

Extended Forecast for

6 Miles SE Port Lavaca TX

Today
High: 91 °F
Sunny
Tonight
Low: 78 °F
Mostly Clear
Sunday
High: 91 °F
Sunny
Sunday Night
Low: 79 °F
Partly Cloudy
Monday
High: 92 °F
Slight Chance
T-storms
Monday Night
Low: 78 °F
Clear
Tuesday
High: 93 °F
Sunny
Tuesday Night
Low: 80 °F
Mostly Clear
Wednesday
High: 91 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 91. Heat index values as high as 100. Light and variable wind becoming east southeast 8 to 13 mph in the morning.

Tonight

Mostly clear, with a low around 78. East southeast wind 6 to 11 mph becoming light and variable after midnight.

Sunday

Sunny, with a high near 91. Heat index values as high as 103. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 79. Southeast wind 5 to 9 mph becoming calm after midnight.

Monday

A slight chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 92. Light southeast wind becoming east southeast 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

Monday Night

Clear, with a low around 78. Southeast wind 5 to 9 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 93. Light northeast wind becoming east southeast 6 to 11 mph in the morning.

Tuesday Night

Mostly clear, with a low around 80. East southeast wind 6 to 11 mph becoming light southeast after midnight.

Wednesday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Northeast wind 6 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

Mostly clear, with a low around 80.

Thursday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.

Thursday Night

Mostly clear, with a low around 79.

Friday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.