| NWS Forecast for: Lavaca County Issued by: National Weather Service Austin/San Antonio, TX Last Update: 146 AM CDT Fri Jun 13 2025 | |
| Today: Patchy fog this morning. Partly cloudy with a chance of showers and thunderstorms. Warmer with highs around 90. South winds 5 to 10 mph. Chance of rain 50 percent. Highest heat index readings up to 107. Tonight: Partly cloudy. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph. Saturday: Partly cloudy with a chance of showers and thunderstorms. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 40 percent. Highest heat index readings up to 108. Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. Southeast winds 5 to 10 mph. Sunday: Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 50 percent. Highest heat index readings up to 108. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Monday: Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent. Highest heat index readings up to 105. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Tuesday: Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Highest heat index readings up to 110. Tuesday Night: Mostly clear. Lows in the mid 70s. Wednesday: Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Highest heat index readings up to 105. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Juneteenth: Partly 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 upper 80s. Chance of rain 50 percent. Highest heat index readings up to 105. | |
| Zone Forecast: Lavaca County | |
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