Upper Arcadia Reservoir Weather Forecast

    • 27
    • 51

    Breezy

    • 19
    • 39

    Partly Sunny

    • 34
    • 42

    Mostly Cloudy

    • 38
    • 54

    Chance Rain

    • 40
    • 56

    Chance Rain

    • 33
    • 55

    Chance Rain/Snow

    • 36
    • 49

    Chance Snow

Today 9 Mar Upper Snake River Plain

Sunny. Very windy. Highs 48 to 57. Southwest Winds 20 to 30 Mph. Increasing to 30 to 40 Mph with Gusts to around 50 Mph in the afternoon.

Tonight 9 Mar Upper Snake River Plain

Increasing Clouds. Very windy. Colder. Lows 24 to 33. Southwest Winds 25 to 35 Mph. Decreasing to 10 to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Arcadia Reservoir Temperature Statistics

March Temperature

Rexburg, Rexburg-Madison County Airport (23.6 miles)

  • Lowest 4 March, 2026

    28 °F

  • Average March

    37.6 °F

  • Highest 4 March, 2026

    53.1 °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

    46.2 °F

  • Average High 2021–2026

    58.2 °F
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