Helena Weather Forecast

    • 56
    • 75

    Increasing Clouds

    • 51
    • 70

    Rain Showers

    • 54
    • 71

    Rain Showers

    • 51
    • 73

    Slight Chance Thunderstorms

    • 53
    • 74

    Mostly Sunny

    • 56
    • 77

    Chance Rain Showers

    • 57
    • 78

    Chance Rain Showers

Today 15 Jun Iowa

Mostly sunny. West Winds around 10 Mph.

Tonight 15 Jun Iowa

Partly cloudy until early morning then becoming mostly cloudy. A 30 percent chance of light rain Showers and Thunderstorms after midnight. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Helena Temperature Statistics

June Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

  • Lowest 3 June, 2026

    46.7 °F

  • Average June

    71.2 °F

  • Highest 10 June, 2026

    89.7 °F

Climate (2021–Present)

Lone Rock Tri-County Regional Airport (8.7 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    60.3 °F
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