National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Hazardous Weather Conditions

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

88°F

31°C

Humidity 58%
Wind Speed E 12 mph
Barometer 29.98 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 15 Oct 12:35 pm CDT
Extended Forecast for

Port Lavaca TX

Wind Advisory October 16, 07:00am until October 17, 01:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. East southeast wind around 14 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. East southeast wind 7 to 10 mph becoming north northeast after midnight.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers between 8am and 10am. Mostly sunny, with a temperature falling to around 72 by 5pm. Windy, with a north wind 15 to 20 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.

    High: 75 °F⇓

    Slight Chance
    Showers and
    Breezy then
    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Windy, with a north wind 29 to 31 mph, with gusts as high as 39 mph.

    Low: 57 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 68. Breezy, with a north wind 16 to 26 mph, with gusts as high as 30 mph.

    High: 68 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. North wind 11 to 14 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72. North northeast wind 7 to 14 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. East northeast wind 6 to 9 mph.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. North northeast wind around 11 mph.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. East southeast wind around 14 mph.
Tonight
Mostly clear, with a low around 75. East southeast wind 7 to 10 mph becoming north northeast after midnight.
Friday
A slight chance of showers between 8am and 10am. Mostly sunny, with a temperature falling to around 72 by 5pm. Windy, with a north wind 15 to 20 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 57. Windy, with a north wind 29 to 31 mph, with gusts as high as 39 mph.
Saturday
Sunny, with a high near 68. Breezy, with a north wind 16 to 26 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 58. North wind 11 to 14 mph.
Sunday
Sunny, with a high near 72. North northeast wind 7 to 14 mph.
Sunday Night
Partly cloudy, with a low around 64. East northeast wind 6 to 9 mph.
Monday
Mostly sunny, with a high near 76. North northeast wind around 11 mph.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.61°W
Last Update:
11:46 am CDT Oct 15, 2026
Forecast Valid:
12pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation