Whitetail Reservoir Weather Forecast

    • 36
    • 63

    Becoming Sunny

    • 45
    • 69

    Mostly Sunny

    • 42
    • 73

    Rain Showers Likely

    • 37
    • 57

    Chance Rain

    • 35
    • 59

    Slight Chance Thunderstorms

    • 31
    • 53

    Slight Chance Rain/Snow

Today 11 May Elkhorn and Boulder Mountains

Sunny. Highs 62 to 72. Northwest Winds 5 to 15 Mph. Gusts up to 40 Mph increasing to 50 Mph in the afternoon.

Tonight 11 May Elkhorn and Boulder Mountains

Mostly clear. Lows 36 to 42. Northwest Winds 5 to 15 Mph with Gusts to around 50 Mph shifting to the north up to 5 Mph with Gusts to around 20 Mph after midnight.

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Whitetail Reservoir Temperature Statistics

May Temperature

Butte, Bert Mooney Airport (13.7 miles)

  • Lowest 6 May, 2026

    22.6 °F

  • Average May

    47.2 °F

  • Highest 3 May, 2026

    70.6 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (13.7 miles)

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  • Average Low 2021–2026

    28.5 °F

  • Average 2021–2026

    42.4 °F

  • Average High 2021–2026

    55.7 °F
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