Salmon Weather Forecast

    • 35
    • 57

    Rain Showers Likely

    • 33
    • 59

    Chance Thunderstorms

    • 38
    • 64

    Mostly Cloudy

    • 38
    • 63

    Slight Chance Thunderstorms

    • 43
    • 73

    Partly Sunny

    • 49
    • 79

    Mostly Cloudy

Today 21 May Eastern Lemhi County

Chance of snow Showers and a slight chance of rain Showers in the Morning, then rain Showers Likely, chance of Thunderstorms and snow Showers likely in the afternoon. Chance of precipitation 70 percent. Snow level 5500 feet. Little or no new snow accumulation. Highs in the upper 40s to mid 50s.

Tonight 21 May Eastern Lemhi County

Mostly cloudy. Chance of rain Showers, Thunderstorms and snow Showers in the Evening, then slight chance of snow Showers after midnight. Widespread frost after midnight. Chance of precipitation 50 percent. Lows in the 30s.

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Salmon Temperature Statistics

May Temperature

Salmon, Lemhi County Airport (3.7 miles)

  • Lowest 11 May, 2022

    26.1 °F
  • Average May

    49.5 °F
  • Highest 15 May, 2022

    77 °F

Climate (2010–Present)

Salmon, Lemhi County Airport (3.7 miles)

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  • Average Low 2010–Present

    31.4 °F
  • Average 2010–Present

    43.9 °F
  • Average High 2010–Present

    56.1 °F
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