Sage Peak Weather Forecast

    • 37
    • 56

    Rain Showers

    • 29
    • 41

    Rain Showers

    • 28
    • 36

    Snow Showers

    • 30
    • 38

    Rain/Snow Likely

    • 33
    • 47

    Slight Chance Thunderstorms

    • 37
    • 52

    Slight Chance Thunderstorms

Today 26 Jun Gallatin and Madison County Mountains and Centennial Mountains

Windy. Mostly cloudy. A 50 percent chance of Thunderstorms in the afternoon. Highs 61 to 71. South Winds 5 to 10 Mph with Gusts to around 45 Mph increasing to southwest 15 to 30 Mph with Gusts to around 60 Mph in the afternoon.

Tonight 26 Jun Gallatin and Madison County Mountains and Centennial Mountains

Breezy. Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms in the Evening, then chance of rain Showers after midnight. Lows 40 to 46. Southwest Winds 10 to 25 Mph with Gusts to around 55 Mph shifting to the south 5 to 15 Mph with Gusts to around 40 Mph after midnight. Chance of precipitation 50 percent.

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Sage Peak Temperature Statistics

June Temperature

West Yellowstone (18 miles)

  • Lowest 2 June, 2026

    26.6 °F

  • Average June

    52.2 °F

  • Highest 16 June, 2026

    77 °F

Climate (2021–2026)

West Yellowstone (18 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    66.1 °F
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