Lower Arcadia Reservoir Weather Forecast

    • 40
    • 62

    Mostly Cloudy

    • 43
    • 64

    Mostly Cloudy

    • 38
    • 67

    Mostly Cloudy

    • 26
    • 55

    Mostly Sunny

    • 33
    • 57

    Partly Sunny

    • 37
    • 62

    Mostly Cloudy

Today 23 Mar Upper Snake River Plain

Partly sunny. Highs 60 to 68. Northeast Winds up to 10 Mph. Shifting to southwest in the afternoon.

Tonight 23 Mar Upper Snake River Plain

Mostly cloudy. Lows 38 to 48. Southwest Winds 10 to 15 Mph.

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Lower Arcadia Reservoir Temperature Statistics

March Temperature

Rexburg, Rexburg-Madison County Airport (23.6 miles)

  • Lowest 11 March, 2026

    16.6 °F

  • Average March

    43 °F

  • Highest 18 March, 2026

    76.6 °F

Climate (2021–Present)

Rexburg, Rexburg-Madison County Airport (23.6 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    46.3 °F

  • Average High 2021–2026

    58.3 °F
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