Helena Weather Forecast

    • 34
    • 54

    Becoming Sunny

    • 38
    • 60

    Chance Rain Showers

    • 44
    • 66

    Slight Chance Rain Showers

    • 45
    • 72

    Mostly Cloudy

    • 40
    • 63

    Mostly Sunny

    • 43
    • 65

    Partly Sunny

Today 6 May Iowa

Partly sunny. Areas of frost in the morning. Highs in the lower 50s. Northwest Winds 5 to 15 Mph.

Tonight 6 May Iowa

Partly cloudy. Widespread frost after midnight. Lows in the lower 30s. West Winds up to 5 Mph. Gusts up to 20 Mph through around midnight.

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Helena Temperature Statistics

May Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

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  • Average May

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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

    49.3 °F

  • Average High 2021–2026

    60.2 °F
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