Helena Weather Forecast

    • 47
    • 72

    Partly Sunny

    • 25
    • 62

    Rain Showers

    • 23
    • 45

    Mostly Sunny

    • 36
    • 52

    Partly Sunny

    • 44
    • 62

    Partly Sunny

    • 43
    • 67

    Chance Rain

    • 49
    • 65

    Chance Rain

Today 25 Mar Iowa

Mostly sunny. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 25 Mar Iowa

Not as cool. Partly cloudy. Lows in the upper 40s. Southwest Winds up to 10 Mph shifting to the south after midnight.

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  • Temperature Real-Time

Helena Temperature Statistics

March Temperature

Lone Rock Tri-County Regional Airport (8.7 miles)

  • Lowest 1 March, 2026

    -6.4 °F

  • Average March

    37.6 °F

  • Highest 21 March, 2026

    79.6 °F

Climate (2021–Present)

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

    60.2 °F
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