Fortress Mountain Weather Forecast

    • 16
    • 37

    Mostly Sunny

    • 14
    • 32

    Breezy

    • 13
    • 22

    Blizzard

    • 13
    • 18

    Blizzard

    • 13
    • 16

    Blizzard

    • 16
    • 18

    Snow

    • 12
    • 18

    Snow Likely

Today 29 Jan Absaroka Mountains

Sunny. Highs in the mid 40s. Temperature falling into the mid 30s late. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 29 Jan Absaroka Mountains

Clear. Lows in the lower 20s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fortress Mountain Temperature Statistics

January Temperature

Yellowstone Lake (33.6 miles)

  • Lowest 20 January, 2025

    -34.6 °F

  • Average January

    7.6 °F

  • Highest 3 January, 2025

    34 °F

Climate (2020–Present)

Yellowstone Lake (33.6 miles)

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  • Average Low 2020–2025

    21.7 °F

  • Average 2020–2025

    34.4 °F

  • Average High 2020–2025

    47 °F
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