Helena Weather Forecast

    • 52
    • 74

    Mostly Sunny

    • 56
    • 80

    Partly Sunny

    • 61
    • 81

    Mostly Sunny

    • 69
    • 86

    Partly Sunny

    • 68
    • 91

    Slight Chance Thunderstorms

    • 65
    • 89

    Mostly Sunny

Today 22 Jul Iowa

Sunny. Highs in the mid 70s. North Winds up to 5 Mph.

Tonight 22 Jul Iowa

Mostly clear. Lows in the mid 50s. Northwest Winds up to 5 Mph through around midnight becoming calm.

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  • Temperature Real-Time

Helena Temperature Statistics

July Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

  • Lowest 11 July, 2026

    58.6 °F

  • Average July

    76.7 °F

  • Highest 15 July, 2026

    95.6 °F

Climate (2021–2026)

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

    60.4 °F
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