Williams Lake Weather Forecast

    • 57
    • 78

    Slight Chance Thunderstorms

    • 55
    • 71

    Rain Showers Likely

    • 54
    • 66

    Rain Showers

    • 53
    • 67

    Rain Showers Likely

    • 57
    • 71

    Chance Thunderstorms

    • 57
    • 73

    Slight Chance Thunderstorms

Today 12 Aug Eastern Lemhi County

Mostly cloudy then becoming mostly sunny in the late morning and early afternoon then becoming mostly cloudy. Patchy smoke through the day. A 20 percent chance of Showers and Thunderstorms late in the afternoon. Highs in the upper 70s to mid 80s.

Tonight 12 Aug Eastern Lemhi County

Mostly cloudy in the evening then becoming partly cloudy. Patchy smoke in the Evening, then Areas of smoke after midnight. Lows in the upper 40s to mid 50s. Northeast Winds to 15 Mph.

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Williams Lake Temperature Statistics

August Temperature

Salmon, Lemhi County Airport (8.1 miles)

  • Lowest 5 August, 2026

    43 °F

  • Average August

    70.7 °F

  • Highest 1 August, 2026

    100 °F

Climate (2021–2026)

Salmon, Lemhi County Airport (8.1 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    59 °F
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