Alder Weather Forecast

    • 39
    • 73

    Mostly Cloudy

    • 36
    • 73

    Breezy

    • 35
    • 66

    Mostly Sunny

    • 37
    • 69

    Mostly Sunny

    • 38
    • 68

    Partly Sunny

    • 42
    • 74

    Mostly Sunny

Today 12 Sep Beaverhead and Western Madison below 6000ft

Partly sunny. Highs 69 to 75. Southeast Winds up to 5 Mph shifting to the west with Gusts to around 25 Mph in the afternoon.

Tonight 12 Sep Beaverhead and Western Madison below 6000ft

Mostly cloudy. Lows in the lower 40s. Northeast Winds 5 to 15 Mph with Gusts to around 35 Mph.

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Alder Temperature Statistics

September Temperature

Dillon, Dillon Airport (21.7 miles)

  • Lowest 9 September, 2026

    35.1 °F

  • Average September

    60.3 °F

  • Highest 10 September, 2026

    82.9 °F

Climate (2021–2026)

Dillon, Dillon Airport (21.7 miles)

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  • Average Low 2021–2026

    31.6 °F

  • Average 2021–2026

    44 °F

  • Average High 2021–2026

    57 °F
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