Highup Lake Weather Forecast

    • 29
    • 49

    Rain Showers

    • 32
    • 50

    Chance Rain Showers

    • 36
    • 56

    Slight Chance Rain Showers

    • 40
    • 62

    Mostly Sunny

    • 40
    • 65

    Chance Rain Showers

    • 40
    • 62

    Chance Rain Showers

    • 43
    • 65

    Chance Rain Showers

Today 22 May Northwest Beaverhead County

Mostly cloudy. Chance of rain Showers and snow Showers in the Morning, then chance of rain Showers and slight chance of Thunderstorms in the afternoon. Highs 45 to 55. South Winds 5 to 15 Mph. Chance of precipitation 50 percent.

Tonight 22 May Northwest Beaverhead County

Partly cloudy. A 20 percent chance of rain Showers early in the evening. Lows 30 to 35. West Winds up to 10 Mph.

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Highup Lake Temperature Statistics

May Temperature

Salmon, Lemhi County Airport (14.3 miles)

  • Lowest 1 May, 2025

    29.8 °F
  • Average May

    53.3 °F
  • Highest 10 May, 2025

    86 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (14.3 miles)

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  • Average Low 2020–2025

    32.2 °F
  • Average 2020–2025

    45.2 °F
  • Average High 2020–2025

    58 °F
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