Lower Arcadia Reservoir Weather Forecast

    • 37
    • 67

    Decreasing Clouds

    • 39
    • 70

    Partly Sunny

    • 38
    • 68

    Mostly Sunny

    • 44
    • 77

    Partly Sunny

    • 43
    • 81

    Mostly Sunny

    • 46
    • 83

    Partly Sunny

    • 43
    • 81

    Mostly Sunny

Today 7 May Upper Snake River Plain

Partly sunny. Highs 66 to 76. Southwest Winds 10 to 15 Mph.

Tonight 7 May Upper Snake River Plain

Mostly clear. Lows 36 to 43. Northwest Winds 10 to 15 Mph. Shifting to north after midnight.

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  • Temperature Real-Time

Lower Arcadia Reservoir Temperature Statistics

May Temperature

Rexburg, Rexburg-Madison County Airport (23.6 miles)

  • Lowest 1 May, 2026

    29.6 °F

  • Average May

    52.3 °F

  • Highest 3 May, 2026

    74.6 °F

Climate (2021–Present)

Rexburg, Rexburg-Madison County Airport (23.6 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    58.5 °F
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