Helena Weather Forecast

    • 63
    • 84

    Areas Smoke

    • 68
    • 87

    Rain Showers Likely

    • 57
    • 84

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

    • 61
    • 82

    Partly Sunny

    • 63
    • 83

    Chance Rain Showers

Today 19 Jul Iowa

Partly sunny. Areas of smoke. Highs in the mid 80s. East Winds up to 5 Mph.

Tonight 19 Jul Iowa

Mostly clear. Areas of smoke. Lows in the mid 60s. South Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • 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

    76.4 °F

  • Highest 15 July, 2026

    93.9 °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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