Glenwood Lake Weather Forecast

    • 31
    • 43

    Mostly Sunny

    • 39
    • 54

    Mostly Sunny

    • 38
    • 58

    Mostly Sunny

    • 27
    • 53

    Rain Showers Likely

    • 25
    • 32

    Chance Snow Showers

    • 32
    • 45

    Partly Sunny

    • 38
    • 55

    Partly Sunny

Today 1 May Elkhorn and Boulder Mountains

Sunny in the morning then becoming partly cloudy. Highs 50 to 60. Northwest Winds up to 5 Mph shifting to the northeast in the afternoon.

Tonight 1 May Elkhorn and Boulder Mountains

Mostly clear. Lows 35 to 40. Northeast Winds up to 10 Mph shifting to the southwest after midnight.

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Glenwood Lake Temperature Statistics

May Temperature

Helena Regional Airport (21.1 miles)

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  • Average May

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Climate (2020–Present)

Helena Regional Airport (21.1 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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