Buffalo Lake Weather Forecast

    • 30
    • 49

    Rain/Snow

    • 25
    • 45

    Chance Snow Showers

    • 32
    • 53

    Partly Sunny

    • 36
    • 60

    Partly Sunny

    • 39
    • 65

    Slight Chance Thunderstorms

    • 41
    • 67

    Slight Chance Thunderstorms

Today 20 May Yellowstone National Park

Partly cloudy with a chance of snow Showers this Morning, then mostly cloudy with rain Showers, snow Showers likely with a chance of Thunderstorms this afternoon. Snow accumulation up to 1 inch. Highs in the upper 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 60 percent.

Tonight 20 May Yellowstone National Park

Rain Showers, snow Showers with a slight chance of Thunderstorms in the Evening, then snow and rain Showers after midnight. Snow accumulation up to 6 Inches. Lows in the upper 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph in the evening. Chance of precipitation 80 percent.

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Buffalo Lake Temperature Statistics

May Temperature

West Yellowstone (24.2 miles)

  • Lowest 6 May, 2026

    14 °F

  • Average May

    46.1 °F

  • Highest 13 May, 2026

    77 °F

Climate (2021–Present)

West Yellowstone (24.2 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    66.3 °F
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