Helena West Side Weather Forecast

    • 24
    • 34

    Snow Likely

    • 42
    • 50

    Snow Likely

    • 45
    • 58

    Slight Chance Rain

    • 43
    • 64

    Partly Sunny

    • 47
    • 67

    Partly Sunny

    • 46
    • 70

    Mostly Cloudy

Today 15 Mar Helena Valley

Mostly sunny. Highs in the mid 30s. Southwest Winds up to 5 Mph increasing to west 10 to 15 Mph in the afternoon.

Tonight 15 Mar Helena Valley

Not as cold. Mostly cloudy. A 40 percent chance of snow after midnight. Lows in the lower 20s. South Winds up to 5 Mph.

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Helena West Side Temperature Statistics

March Temperature

Helena Regional Airport (5.6 miles)

  • Lowest 11 March, 2026

    18 °F

  • Average March

    41 °F

  • Highest 3 March, 2026

    61.6 °F

Climate (2021–Present)

Helena Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    60 °F
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