Helena Weather Forecast

    • 67
    • 88

    Chance Thunderstorms

    • 65
    • 89

    Rain Showers Likely

    • 56
    • 83

    Rain Showers Likely

    • 58
    • 79

    Mostly Sunny

    • 57
    • 83

    Slight Chance Thunderstorms

    • 52
    • 75

    Partly Sunny

    • 52
    • 73

    Chance Rain Showers

Today 9 Jun Iowa

Mostly sunny with scattered light Showers and slight chance of Thunderstorms. West Winds up to 5 Mph. Chance of precipitation 30 percent.

Tonight 9 Jun Iowa

Partly cloudy through around Midnight, then mostly cloudy with Showers likely and chance of Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds up to 10 Mph. Chance of precipitation 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 3 June, 2026

    46.7 °F

  • Average June

    69.7 °F

  • Highest 4 June, 2026

    87.7 °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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