McAllister Weather Forecast

    • 43
    • 80

    Mostly Sunny

    • 51
    • 83

    Partly Sunny

    • 48
    • 88

    Chance Thunderstorms

    • 42
    • 72

    Rain Showers Likely

    • 42
    • 73

    Chance Rain

    • 37
    • 68

    Chance Rain

Today 11 May Madison River Valley

Mostly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph increasing to northwest 15 to 20 Mph in the afternoon. Gusts up to 35 Mph.

Tonight 11 May Madison River Valley

Mostly clear. Lows in the mid 40s. North Winds up to 10 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McAllister Temperature Statistics

May Temperature

Ennis - Big Sky Airport (12.4 miles)

  • Lowest 6 May, 2026

    19.4 °F

  • Average May

    48.5 °F

  • Highest 2 May, 2026

    69.8 °F

Climate (2021–Present)

Ennis - Big Sky Airport (12.4 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    56.5 °F
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