Ruby River Reservoir Weather Forecast

    • 30
    • 54

    Rain/Snow

    • 22
    • 40

    Snow

    • 16
    • 38

    Snow Likely

    • 22
    • 43

    Slight Chance Snow

    • 25
    • 44

    Chance Snow

    • 29
    • 49

    Chance Snow

    • 31
    • 54

    Slight Chance Rain

Today 22 Apr Beaverhead and Western Madison below 6000ft

Windy, cooler. Rain Showers likely with possible Thunderstorms and snow Showers early in the Afternoon, then rain Showers with possible Thunderstorms and snow Showers late in the afternoon. Snow accumulation up to 2 Inches. Highs 50 to 56. Southwest Winds 20 to 30 Mph with Gusts to around 55 Mph. Chance of precipitation 90 percent.

Tonight 22 Apr Beaverhead and Western Madison below 6000ft

Breezy, Colder. Snow likely in the evening. Rain through the night. Snow after midnight. Snow accumulation up to 6 Inches. Snow level 5800 feet. Lows in the lower 30s. West Winds 15 to 25 Mph with Gusts to around 50 Mph decreasing to 10 to 15 Mph with Gusts to around 35 Mph after midnight. Chance of precipitation near 100 percent.

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Ruby River Reservoir Temperature Statistics

April Temperature

Dillon, Dillon Airport (20.5 miles)

  • Lowest 18 April, 2026

    22.6 °F

  • Average April

    44.2 °F

  • Highest 7 April, 2026

    70.6 °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

    56.9 °F
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