Mormon Mountain Weather Forecast

    • 33
    • 48

    Decreasing Clouds

    • 41
    • 55

    Mostly Sunny

    • 41
    • 62

    Mostly Sunny

    • 38
    • 60

    Chance Rain Showers

    • 38
    • 55

    Chance Rain Showers

    • 43
    • 63

    Chance Rain Showers

    • 41
    • 65

    Chance Rain Showers

Today 23 May West Central Mountains

Partly cloudy. Isolated rain Showers and Thunderstorms this afternoon. Chance of rain 20 percent. Highs 54 to 69.

Tonight 23 May West Central Mountains

Mostly clear. Lows 35 to 45.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mormon Mountain Temperature Statistics

May Temperature

Salmon, Lemhi County Airport (49.1 miles)

  • Lowest 1 May, 2025

    29.8 °F

  • Average May

    53.2 °F

  • Highest 10 May, 2025

    86 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (49.1 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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