Mammoth Weather Forecast

    • 64
    • 93

    Chance Rain Showers

    • 62
    • 86

    Rain Showers Likely

    • 64
    • 88

    Chance Rain Showers

    • 64
    • 84

    Chance Rain Showers

    • 63
    • 84

    Chance Thunderstorms

    • 61
    • 87

    Slight Chance Thunderstorms

Today 18 Sep Ozark

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the lower 90s. North Winds around 5 Mph, becoming southwest in the afternoon. Chance of rain 20 percent.

Tonight 18 Sep Ozark

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the mid 60s. Northwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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Mammoth Temperature Statistics

September Temperature

Baxter County Airport (11.8 miles)

  • Lowest 8 September, 2025

    48.9 °F

  • Average September

    73.6 °F

  • Highest 13 September, 2025

    97 °F

Climate (2020–Present)

Baxter County Airport (11.8 miles)

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    70.7 °F
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