Helena Weather Forecast

    • 26
    • 38

    Snow

    • 33
    • 46

    Mostly Cloudy

    • 25
    • 43

    Slight Chance Snow

    • 29
    • 42

    Rain/Snow Likely

    • 11
    • 37

    Chance Rain/Snow

    • 5
    • 26

    Partly Sunny

Today 11 Mar Iowa

Colder. Cloudy early in the afternoon then becoming partly sunny. Light snow likely early in the afternoon. Little new snow accumulation. Highs in the upper 30s. Northwest Winds 15 to 20 Mph. Chance of snow 70 percent.

Tonight 11 Mar Iowa

Clear. Lows in the mid 20s. Northwest Winds up to 15 Mph.

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Helena Temperature Statistics

March Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

  • Lowest 1 March, 2026

    -6.4 °F

  • Average March

    40.1 °F

  • Highest 9 March, 2026

    70 °F

Climate (2021–Present)

Lone Rock Tri-County Regional Airport (8.7 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    60.3 °F
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