Grassy Lake Reservoir Weather Forecast

    • 5
    • 39

    Mostly Sunny

    • 7
    • 33

    Mostly Sunny

    • 21
    • 31

    Snow Showers

    • 23
    • 32

    Snow Showers

    • 25
    • 32

    Snow Showers

    • 24
    • 35

    Snow Showers Likely

Today 29 Jan Teton and Gros Ventre Mountains

Sunny. Highs in the mid 30s. Northeast Winds around 10 Mph this morning.

Tonight 29 Jan Teton and Gros Ventre Mountains

Clear, cold with Lows 6 to 12 above. North Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grassy Lake Reservoir Temperature Statistics

January Temperature

Driggs, Driggs-Reed Memorial Airport (29.8 miles)

  • Lowest 20 January, 2025

    -29 °F

  • Average January

    14.4 °F

  • Highest 3 January, 2025

    41 °F

Climate (2020–Present)

Driggs, Driggs-Reed Memorial Airport (29.8 miles)

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  • Average Low 2020–2025

    28.5 °F

  • Average 2020–2025

    40.8 °F

  • Average High 2020–2025

    52.8 °F
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