Mount Jefferson Weather Forecast

    • 10
    • 21

    Chance Snow Showers

    • 20
    • 29

    Mostly Sunny

    • 28
    • 40

    Partly Sunny

    • 32
    • 47

    Partly Sunny

    • 34
    • 50

    Chance Rain/Snow

    • 29
    • 41

    Snow Likely

Today 17 Apr Centennial Mountains/Island Park

Mostly sunny. A slight chance of snow Showers in the morning. Then a chance of snow Showers in the afternoon. Snow accumulation of 1 to 3 Inches. Highs 33 to 41.

Tonight 17 Apr Centennial Mountains/Island Park

Mostly clear. A slight chance of snow Showers in the evening. Lows 14 to 24.

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Mount Jefferson Temperature Statistics

April Temperature

West Yellowstone (20.5 miles)

  • Lowest 15 April, 2026

    32 °F

  • Average April

    35.2 °F

  • Highest 15 April, 2026

    39.2 °F

Climate (2021–Present)

West Yellowstone (20.5 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    66.6 °F
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