Alpine Weather Forecast

    • 50
    • 81

    Rain Showers Likely

    • 48
    • 75

    Slight Chance Thunderstorms

    • 50
    • 79

    Mostly Sunny

    • 51
    • 81

    Mostly Sunny

    • 51
    • 84

    Mostly Sunny

    • 51
    • 83

    Mostly Sunny

Today 17 Sep Upper Weiser River

Showers likely with a chance of Thunderstorms. Chance of rain 60 percent. Highs 75 to 81. North Winds 10 to 15 Mph this Morning, shifting to southwest this afternoon.

Tonight 17 Sep Upper Weiser River

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Chance of rain 30 percent. Lows 49 to 54. Southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alpine Temperature Statistics

September Temperature

McCall Airport (28 miles)

  • Lowest 5 September, 2026

    34.6 °F

  • Average September

    52.9 °F

  • Highest 10 September, 2026

    77.6 °F

Climate (2021–2026)

McCall Airport (28 miles)

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  • Average Low 2021–2026

    31 °F

  • Average 2021–2026

    43 °F

  • Average High 2021–2026

    55 °F
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