Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

81°F

27°C

Humidity 99%
Wind Speed S 8 mph
Barometer 29.93 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 13 Oct 12:35 am CDT
Extended Forecast for

7 Miles SE Port Lavaca TX

Coastal Flood Advisory October 13, 12:58am until October 14, 01:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory October 13, 12:58am until October 14, 01:00am

    NOW until 1:00am Wed

    Coastal Flood Advisory

  • Overnight

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms between 3pm and 4pm, then a slight chance of showers.  Mostly sunny, with a high near 88. Heat index values as high as 102. South southeast wind 7 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers before 7pm.  Clear, then becoming mostly cloudy toward daybreak, with a low around 79. South southeast wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 79 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Heat index values as high as 97. Southeast wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. Southeast wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Southeast wind 8 to 13 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. East wind 7 to 13 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Sunny, with a high near 84. North northeast wind 10 to 20 mph, with gusts as high as 24 mph.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 79. South southeast wind around 8 mph, with gusts as high as 18 mph.
Tuesday
A chance of showers and thunderstorms between 3pm and 4pm, then a slight chance of showers. Mostly sunny, with a high near 88. Heat index values as high as 102. South southeast wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tuesday Night
A 10 percent chance of showers before 7pm. Clear, then becoming mostly cloudy toward daybreak, with a low around 79. South southeast wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 87. Heat index values as high as 97. Southeast wind 9 to 16 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 77. Southeast wind 8 to 14 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 86. Southeast wind 8 to 13 mph.
Thursday Night
Mostly clear, with a low around 75. East wind 7 to 13 mph.
Friday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 84. North northeast wind 10 to 20 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 69. Breezy, with a north wind 21 to 25 mph, with gusts as high as 32 mph.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 79.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Port Lavaca TX
 28.56°N 96.53°W
1:46 pm CDT Oct 12, 2026
12am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
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