Ruby River Reservoir Weather Forecast

    • 22
    • 43

    Snow

    • 16
    • 37

    Chance Snow

    • 23
    • 44

    Partly Sunny

    • 25
    • 44

    Chance Snow

    • 27
    • 49

    Chance Snow

    • 29
    • 53

    Slight Chance Snow

    • 31
    • 56

    Slight Chance Rain

Today 23 Apr Beaverhead and Western Madison below 6000ft

Windy. Mostly cloudy. Snow Showers likely and slight chance of Thunderstorms early in the Afternoon, then chance of snow Showers and slight chance of Thunderstorms late in the afternoon. New snow accumulation up to 4 Inches. Total snow accumulation up to 5 Inches. Near steady temperature in the lower 40s. West Winds 15 to 30 Mph with Gusts to around 45 Mph. Chance of precipitation 70 percent.

Tonight 23 Apr Beaverhead and Western Madison below 6000ft

Colder. Mostly cloudy. Snow likely early in the Evening, then chance of snow in the late evening and early morning. Snow likely early in the morning. Snow accumulation up to 3 Inches. Total snow accumulation up to 4 Inches. Lows in the lower 20s. Northwest Winds 5 to 15 Mph. Gusts up to 40 Mph decreasing to 25 Mph after midnight. Chance of snow 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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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