Helena Weather Forecast

    • 74
    • 85

    Slight Chance Thunderstorms

    • 76
    • 94

    Mostly Sunny

    • 75
    • 95

    Slight Chance Thunderstorms

    • 74
    • 94

    Chance Rain Showers

    • 72
    • 92

    Chance Thunderstorms

    • 71
    • 92

    Chance Thunderstorms

Today 28 Jun Iowa

Partly sunny. Highs in the mid 80s. Southeast Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 28 Jun Iowa

Warmer. Mostly cloudy. Lows in the mid 70s. South Winds 5 to 15 Mph.

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  • Temperature Real-Time

Helena Temperature Statistics

June Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

  • Lowest 15 June, 2026

    45.6 °F

  • Average June

    67.7 °F

  • Highest 10 June, 2026

    89.7 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (8.7 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    60.3 °F
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