Helena Weather Forecast

    • 54
    • 72

    Chance Rain Showers

    • 52
    • 77

    Partly Sunny

    • 59
    • 78

    Rain Showers

    • 57
    • 78

    Rain Showers Likely

    • 55
    • 76

    Partly Sunny

    • 58
    • 79

    Partly Sunny

    • 64
    • 81

    Chance Rain Showers

Today 21 Jun Iowa

Light Showers. Southeast Winds up to 10 Mph. Chance of Showers near 100 percent.

Tonight 21 Jun Iowa

Mostly cloudy until early morning then becoming partly cloudy. Light rain Showers likely in the evening. Lows in the mid 50s. East Winds up to 5 Mph shifting to the north after midnight. Chance of Showers 70 percent.

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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 15 June, 2026

    45.6 °F

  • Average June

    68.3 °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

    49.4 °F

  • Average High 2021–2026

    60.3 °F
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