Northern Pacific Reservoir Weather Forecast

    • 30
    • 44

    Chance Snow

    • 31
    • 52

    Rain Likely

    • 28
    • 43

    Chance Rain/Snow

    • 27
    • 46

    Chance Snow

    • 26
    • 46

    Chance Snow

    • 26
    • 43

    Slight Chance Snow

Today 30 Mar Elkhorn and Boulder Mountains

Patchy fog in the morning. Mostly cloudy with a 50 percent chance of snow. Highs 30 to 40. Northeast Winds 5 to 10 Mph.

Tonight 30 Mar Elkhorn and Boulder Mountains

Mostly cloudy. A 20 percent chance of snow in the evening. Lows 25 to 30. Southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Northern Pacific Reservoir Temperature Statistics

March Temperature

Helena Regional Airport (5 miles)

  • Lowest 7 March, 2025

    21.8 °F

  • Average March

    42.5 °F

  • Highest 26 March, 2025

    72 °F

Climate (2020–Present)

Helena Regional Airport (5 miles)

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  • Average Low 2020–2025

    36 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    59.1 °F
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