Helena Weather Forecast

    • 55
    • 74

    Rain Showers Likely

    • 38
    • 66

    Chance Rain Showers

    • 44
    • 61

    Rain Showers Likely

    • 48
    • 61

    Chance Rain Showers

    • 49
    • 67

    Chance Rain Showers

    • 47
    • 65

    Chance Rain Showers

Today 28 Oct Iowa

Sunny. Highs in the lower 70s. South Winds up to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 28 Oct Iowa

Partly cloudy through around midnight then becoming mostly cloudy. Chance of light rain Showers through around midnight. Slight chance of Thunderstorms through the night. Light rain Showers likely after midnight. Lows in the mid 50s. Southwest Winds 5 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 70 percent.

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Helena Temperature Statistics

October Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

  • Lowest 17 October, 2026

    29.6 °F

  • Average October

    57.7 °F

  • Highest 12 October, 2026

    86.6 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (8.7 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    60.4 °F
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