Helena Weather Forecast

    • 73
    • 91

    Rain Showers Likely

    • 70
    • 90

    Rain Showers

    • 70
    • 90

    Rain Showers Likely

    • 66
    • 85

    Chance Thunderstorms

    • 65
    • 83

    Chance Thunderstorms

    • 65
    • 85

    Slight Chance Thunderstorms

Today 1 Jul Iowa

Very warm and humid. Mostly sunny. A 20 percent chance of light Showers in the morning. Highs in the lower 90s. Southwest Winds 5 to 15 Mph. Highest heat index Readings 98 to 103 in the late morning and afternoon.

Tonight 1 Jul Iowa

Partly cloudy with scattered light Showers and chance of Thunderstorms. Lows in the mid 70s. Southwest Winds 5 to 15 Mph. Chance of precipitation 50 percent. Highest heat index Readings 95 to 99 in the evening.

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Helena Temperature Statistics

July Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

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  • Average July

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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

    49.3 °F

  • Average High 2021–2026

    60.3 °F
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