| NWS Forecast for: Lavaca County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 409 AM CDT Thu Jul 9 2026 |  |
| Today: Mostly sunny. Highs in the mid 90s. South winds 10 to 15 mph. Highest heat index readings up to 105. Tonight: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph, diminishing to around 5 mph after midnight. Friday: Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Friday Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph. Saturday: Partly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Humid with highs in the mid 90s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Highest heat index readings up to 106. Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Sunday: Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Highest heat index readings up to 105. Sunday Night: Partly cloudy. Lows in the mid 70s. Monday: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 50 percent. Highest heat index readings up to 105. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 70s. Chance of rain 40 percent. Tuesday: Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent. Tuesday Night: Partly cloudy. A slight chance of showers after midnight. Lows in the mid 70s. Wednesday: Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 90s. | |
| Zone Forecast: Lavaca County | |
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