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.

Fair with Haze

83°F

28°C

Humidity	78%
Wind Speed	SE 8 mph
Barometer	29.90 in
Dewpoint	75°F (24°C)
Visibility	0.75 mi
Heat Index	91°F (33°C)
Last update	19 Sep 8:15 pm CDT

More Information:

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

Extended Forecast for

8 Miles SE Port Lavaca TX

Tonight
Low: 78 °F
Mostly Clear
Sunday
High: 91 °F
Slight Chance
Showers then
Sunny
Sunday Night
Low: 78 °F
Partly Cloudy
Monday
High: 90 °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
Wednesday Night
Low: 80 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 78. East southeast wind 5 to 9 mph becoming calm after midnight.

Sunday

A 20 percent chance of showers before 8am. Sunny, with a high near 91. Heat index values as high as 103. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.

Sunday Night

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

Monday

A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Sunny, with a high near 90. Heat index values as high as 102. Light southeast wind increasing to 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 east northeast wind becoming east southeast 5 to 10 mph in the morning.

Tuesday Night

Mostly clear, with a low around 80. East southeast wind 6 to 11 mph becoming light southeast in the evening.

Wednesday

Sunny, with a high near 91. Northeast wind 6 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 80. East southeast wind 5 to 14 mph, with gusts as high as 18 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90.