Helena Valley West Central Weather Forecast

    • 56
    • 81

    Slight Chance Thunderstorms

    • 50
    • 80

    Slight Chance Thunderstorms

    • 51
    • 82

    Mostly Sunny

    • 54
    • 87

    Partly Sunny

    • 56
    • 87

    Slight Chance Rain Showers

    • 54
    • 86

    Chance Rain Showers

Today 17 Aug Gates of the Mountains

Partly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs 74 to 82. Southwest Winds up to 10 Mph shifting to the west with Gusts to around 25 Mph in the afternoon.

Tonight 17 Aug Gates of the Mountains

Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms in the evening. Lows in the upper 50s. West Winds up to 10 Mph. Chance of precipitation 30 percent.

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Helena Valley West Central Temperature Statistics

August Temperature

Helena Regional Airport (5 miles)

  • Lowest 4 August, 2026

    45.6 °F

  • Average August

    69.8 °F

  • Highest 1 August, 2026

    103.6 °F

Climate (2021–2026)

Helena Regional Airport (5 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.8 °F
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