Sage Peak Weather Forecast

    • 35
    • 56

    Becoming Sunny

    • 43
    • 59

    Mostly Sunny

    • 39
    • 62

    Chance Rain/Snow

    • 35
    • 48

    Chance Rain/Snow

    • 34
    • 52

    Chance Rain/Snow

    • 30
    • 49

    Chance Snow

Today 11 May Gallatin and Madison County Mountains and Centennial Mountains

Mostly sunny. A 20 percent chance of rain Showers late in the afternoon. Highs 62 to 74. Southwest Winds 5 to 10 Mph shifting to the west 10 to 20 Mph in the afternoon. Gusts up to 45 Mph.

Tonight 11 May Gallatin and Madison County Mountains and Centennial Mountains

Mostly clear. Lows 36 to 42. North Winds up to 10 Mph. Gusts up to 40 Mph decreasing to 20 Mph after midnight.

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Sage Peak Temperature Statistics

May Temperature

West Yellowstone (18 miles)

  • Lowest 6 May, 2026

    14 °F

  • Average May

    44.5 °F

  • Highest 7 May, 2026

    64.4 °F

Climate (2021–Present)

West Yellowstone (18 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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