Lavaca Weather Forecast

    • 30
    • 57

    Becoming Sunny

    • 24
    • 49

    Sunny

    • 28
    • 50

    Mostly Sunny

    • 47
    • 66

    Mostly Cloudy

    • 49
    • 73

    Slight Chance Rain Showers

    • 38
    • 67

    Mostly Sunny

Today 21 Feb Sebastian

Mostly sunny. Highs in the upper 50s. Northeast Winds 5 to 10 Mph, becoming north 10 to 15 Mph with Gusts up to 25 Mph this afternoon.

Tonight 21 Feb Sebastian

Clear, Colder with Lows around 30. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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Lavaca Temperature Statistics

February Temperature

Fort Smith Regional Airport (10.6 miles)

  • Lowest 1 February, 2026

    21.7 °F

  • Average February

    53.1 °F

  • Highest 18 February, 2026

    78.1 °F

Climate (2021–Present)

Fort Smith Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    53.9 °F

  • Average 2021–2026

    64.4 °F

  • Average High 2021–2026

    75.7 °F
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