Mud Lake Weather Forecast

    • 46
    • 76

    Mostly Sunny

    • 46
    • 77

    Partly Sunny

    • 48
    • 78

    Mostly Sunny

    • 44
    • 77

    Mostly Sunny

    • 44
    • 75

    Sunny

    • 48
    • 79

    Mostly Sunny

Today 18 Sep Arco/Mud Lake Desert

Sunny. Highs 72 to 79. Northeast Winds up to 10 Mph. Shifting to southwest in the afternoon.

Tonight 18 Sep Arco/Mud Lake Desert

Partly cloudy. Lows 43 to 52. South Winds around 10 Mph. Shifting to northeast after midnight.

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Mud Lake Temperature Statistics

September Temperature

Rexburg, Rexburg-Madison County Airport (29.8 miles)

  • Lowest 12 September, 2025

    43 °F

  • Average September

    64.2 °F

  • Highest 2 September, 2025

    90 °F

Climate (2020–Present)

Rexburg, Rexburg-Madison County Airport (29.8 miles)

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  • Average Low 2020–2025

    33.5 °F

  • Average 2020–2025

    45.5 °F

  • Average High 2020–2025

    57.6 °F
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