| NWS Forecast for: Lavaca County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 119 PM CDT Tue Jul 15 2025 | |
| Tonight: Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph, diminishing to around 5 mph after midnight. Wednesday: Partly cloudy in the morning, then clearing. Humid with highs in the mid 90s. South winds 10 to 15 mph. Wednesday Night: Partly cloudy. Lows in the lower 70s. South winds 10 to 15 mph, diminishing to around 5 mph after midnight. Thursday: Partly cloudy. Highs in the lower 90s. South winds 5 to 10 mph. Thursday Night: Partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Friday: Mostly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Friday Night Through Tuesday: Partly cloudy. Lows in the mid 70s. Highs in the mid 90s. Highest heat index readings up to 105. | |
| Zone Forecast: Lavaca County | |
Visit your local NWS office at: https://www.weather.gov/ewx |