Mill Creek Lake Weather Forecast

    • 49
    • 69

    Chance Thunderstorms

    • 49
    • 69

    Chance Rain Showers

    • 48
    • 68

    Chance Rain Showers

    • 49
    • 72

    Mostly Sunny

    • 52
    • 73

    Partly Sunny

    • 51
    • 72

    Slight Chance Thunderstorms

Today 25 Jul Eastern Lemhi County

Sunny in the Morning, then mostly cloudy with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the 80s. South Winds to 15 Mph.

Tonight 25 Jul Eastern Lemhi County

Mostly cloudy with a chance of rain Showers and a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Chance of precipitation 50 percent. Lows in the upper 40s to mid 50s. Southeast Winds to 15 Mph.

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Mill Creek Lake Temperature Statistics

July Temperature

Salmon, Lemhi County Airport (56.5 miles)

  • Lowest 5 July, 2025

    46.7 °F

  • Average July

    70 °F

  • Highest 14 July, 2025

    96.7 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (56.5 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    58.2 °F
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