Ruby River Reservoir Weather Forecast

    • 37
    • 67

    Increasing Clouds

    • 41
    • 69

    Partly Sunny

    • 39
    • 67

    Mostly Sunny

    • 44
    • 75

    Partly Sunny

    • 42
    • 75

    Partly Sunny

    • 42
    • 74

    Partly Sunny

Today 7 May Beaverhead and Western Madison below 6000ft

Sunny. Highs 65 to 71. West Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 7 May Beaverhead and Western Madison below 6000ft

Partly cloudy. Lows in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts to around 30 Mph shifting to the west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ruby River Reservoir Temperature Statistics

May Temperature

Dillon, Dillon Airport (20.5 miles)

  • Lowest 1 May, 2026

    25.6 °F

  • Average May

    51.6 °F

  • Highest 2 May, 2026

    73.7 °F

Climate (2021–Present)

Dillon, Dillon Airport (20.5 miles)

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  • Average Low 2021–2026

    31.5 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    56.9 °F
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