Helena Weather Forecast

    • 44
    • 70

    Chance Rain Showers

    • 43
    • 77

    Chance Thunderstorms

    • 34
    • 56

    Slight Chance Rain Showers

    • 37
    • 56

    Mostly Cloudy

    • 37
    • 59

    Chance Rain Showers

    • 41
    • 65

    Partly Sunny

Today 3 May Iowa

Mostly cloudy with chance of light rain Showers in the Morning, then mostly sunny with chance of Sprinkles late in the morning. Sunny in the afternoon. Highs in the upper 60s. West Winds 10 to 20 Mph. Chance of Showers 20 percent.

Tonight 3 May Iowa

Not as cool. Mostly cloudy. A 40 percent chance of light rain Showers early in the morning. Near steady temperature in the mid 40s. Southwest Winds 5 to 15 Mph.

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Helena Temperature Statistics

May Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

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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

    49.4 °F

  • Average High 2021–2026

    60.2 °F
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