Helena West Side Weather Forecast

    • 65
    • 96

    Slight Chance Thunderstorms

    • 64
    • 99

    Patchy Smoke

    • 64
    • 102

    Slight Chance Thunderstorms

    • 63
    • 97

    Hot

    • 62
    • 96

    Mostly Sunny

    • 62
    • 95

    Mostly Sunny

Today 23 Jul Helena Valley

Mostly sunny. Patchy smoke through the day. A 20 percent chance of Thunderstorms in the afternoon. Highs in the lower 90s. Southeast Winds up to 10 Mph.

Tonight 23 Jul Helena Valley

Partly cloudy with a 20 percent chance of Thunderstorms. Patchy smoke after midnight. Patchy smoke. Highs in the lower 90s. Lows in the lower 60s. South Winds up to 10 Mph.

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Helena West Side Temperature Statistics

July Temperature

Helena Regional Airport (5.6 miles)

  • Lowest 2 July, 2026

    47.6 °F

  • Average July

    72.2 °F

  • Highest 11 July, 2026

    101.6 °F

Climate (2021–2026)

Helena Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    59.9 °F
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