Helena Valley Regulating Reservoir Weather Forecast

    • 50
    • 79

    Slight Chance Thunderstorms

    • 54
    • 84

    Sunny

    • 54
    • 86

    Chance Rain Showers

    • 56
    • 84

    Chance Thunderstorms

    • 57
    • 86

    Slight Chance Thunderstorms

    • 56
    • 87

    Chance Thunderstorms

Today 3 Jul Helena Valley

Partly sunny in the morning then clearing. Highs in the upper 70s. West Winds up to 10 Mph.

Tonight 3 Jul Helena Valley

Mostly clear. Lows around 50. Northwest Winds up to 10 Mph shifting to the southwest after midnight.

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Helena Valley Regulating Reservoir Temperature Statistics

July Temperature

Helena Regional Airport (5.6 miles)

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  • Average July

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Climate (2021–2026)

Helena Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    59.9 °F
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