Lavaca Weather Forecast

    • 53
    • 85

    Rain Showers

    • 38
    • 66

    Chance Rain Showers

    • 43
    • 73

    Sunny

    • 48
    • 76

    Partly Sunny

    • 57
    • 75

    Mostly Cloudy

    • 60
    • 81

    Slight Chance Thunderstorms

Today 17 Apr Sebastian

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 17 Apr Sebastian

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Cooler with Lows in the lower 50s. South Winds 10 to 15 Mph, becoming southwest after midnight. Gusts up to 30 Mph. Chance of rain 70 percent.

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Lavaca Temperature Statistics

April Temperature

Fort Smith Regional Airport (10.6 miles)

  • Lowest 6 April, 2026

    41.6 °F

  • Average April

    69 °F

  • Highest 3 April, 2026

    85.6 °F

Climate (2021–Present)

Fort Smith Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    54.1 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    76 °F
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