Northern Pacific Reservoir Weather Forecast

    • 53
    • 76

    Rain Showers Likely

    • 50
    • 77

    Chance Rain Showers

    • 53
    • 83

    Breezy

    • 47
    • 81

    Mostly Sunny

    • 50
    • 81

    Mostly Sunny

    • 52
    • 83

    Slight Chance Thunderstorms

Today 9 Jun Elkhorn and Boulder Mountains

Partly cloudy in the Morning, then mostly cloudy with a 50 percent chance of Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the afternoon. Highs 65 to 70. East Winds up to 10 Mph.

Tonight 9 Jun Elkhorn and Boulder Mountains

Mostly cloudy. Rain Showers and chance of Thunderstorms in the Evening, then chance of Thunderstorms after midnight. Some Thunderstorms may produce gusty Winds in the evening. Lows 45 to 50. East Winds 5 to 10 Mph shifting to the west after midnight. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Northern Pacific Reservoir Temperature Statistics

June Temperature

Helena Regional Airport (5 miles)

  • Lowest 1 June, 2024

    41.6 °F

  • Average June

    62.4 °F

  • Highest 6 June, 2024

    88 °F

Climate (2019–Present)

Helena Regional Airport (5 miles)

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  • Average Low 2019–2024

    35.9 °F

  • Average 2019–2024

    46.9 °F

  • Average High 2019–2024

    58.5 °F
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