Elkhorn Weather Forecast

    • 47
    • 73

    Chance Thunderstorms

    • 43
    • 66

    Rain Showers Likely

    • 37
    • 59

    Rain/Snow Likely

    • 36
    • 42

    Rain/Snow

    • 36
    • 44

    Rain Showers

    • 35
    • 47

    Rain Showers Likely

Today 10 May Elkhorn and Boulder Mountains

Partly cloudy early in the morning then becoming mostly cloudy. A 40 percent chance of Thunderstorms in the afternoon. Highs 70 to 80. South Winds 10 to 20 Mph. Gusts up to 35 Mph in the afternoon.

Tonight 10 May Elkhorn and Boulder Mountains

Mostly cloudy with a 20 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 45 to 50. Southwest Winds 5 to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

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Elkhorn Temperature Statistics

May Temperature

Helena Regional Airport (22.4 miles)

  • Lowest 6 May, 2025

    34.6 °F

  • Average May

    55.7 °F

  • Highest 3 May, 2025

    82.7 °F

Climate (2020–Present)

Helena Regional Airport (22.4 miles)

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  • Average Low 2020–2025

    36.1 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    59.2 °F
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