Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65° N Lon: 96.68° W Elev: 27 ft.

Fair

80°F

27°C

Humidity 92%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 31 Aug 6:35 am CDT
Detailed forecast for

Coastal Calhoun

Today
Partly cloudy this morning, then becoming mostly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Southeast winds around 5 mph, increasing to 5 to 10 mph this afternoon. Chance of rain 50 percent.
Tonight
Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. East winds 5 to 10 mph. Chance of rain 50 percent.
Labor Day
Thunderstorms likely. Showers likely. Highs around 90. Northeast winds 5 to 10 mph. Chance of rain 70 percent.
Monday Night
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. East winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 50 percent.
Tuesday
Partly cloudy. A chance of showers and thunderstorms, mainly in the morning. Highs in the lower 90s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.
Tuesday Night
Mostly clear. Lows in the mid 70s.
Wednesday
Sunny. Highs in the mid 90s.
Wednesday Night
Mostly clear. Lows in the mid 70s.
Thursday
Sunny. Highs in the mid 90s.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s.
Friday
Partly cloudy. Highs in the lower 90s.
Friday Night
Partly cloudy. Lows in the upper 70s.
Saturday
Partly cloudy. Highs in the lower 90s.



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548 AM CDT Sun Aug 31 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database