Ruby River Reservoir Weather Forecast

    • 36
    • 65

    Breezy

    • 35
    • 62

    Partly Sunny

    • 29
    • 61

    Mostly Cloudy

    • 26
    • 40

    Snow Likely

    • 28
    • 46

    Slight Chance Rain/Snow

    • 33
    • 55

    Slight Chance Thunderstorms

Today 14 May Beaverhead and Western Madison below 6000ft

Windy, Cooler, sunny. Highs 62 to 68. Southwest Winds 15 to 30 Mph. Gusts up to 65 Mph decreasing to 45 Mph in the afternoon.

Tonight 14 May Beaverhead and Western Madison below 6000ft

Windy, cooler. Partly cloudy. Highs 62 to 68. Lows 33 to 39. Southwest Winds 5 to 30 Mph with Gusts to around 65 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ruby River Reservoir Temperature Statistics

May Temperature

Dillon, Dillon Airport (20.5 miles)

  • Lowest 6 May, 2026

    23.6 °F

  • Average May

    53.4 °F

  • Highest 10 May, 2026

    81.6 °F

Climate (2021–Present)

Dillon, Dillon Airport (20.5 miles)

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  • Average Low 2021–2026

    31.6 °F

  • Average 2021–2026

    43.9 °F

  • Average High 2021–2026

    57 °F
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