Rays Lake Weather Forecast

    • 14
    • 27

    Mostly Cloudy

    • 13
    • 32

    Mostly Cloudy

    • 7
    • 29

    Mostly Sunny

    • 7
    • 28

    Mostly Sunny

    • 9
    • 28

    Partly Sunny

    • 14
    • 31

    Partly Sunny

Today 21 Jan Arco/Mud Lake Desert

Partly sunny. Patchy fog in the morning. Highs 22 to 29. Light and variable Winds.

Tonight 21 Jan Arco/Mud Lake Desert

Decreasing Clouds. Lows 11 to 19. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rays Lake Temperature Statistics

January Temperature

Rexburg, Rexburg-Madison County Airport (23 miles)

  • Lowest 11 January, 2026

    14 °F

  • Average January

    29.2 °F

  • Highest 3 January, 2026

    41 °F

Climate (2021–Present)

Rexburg, Rexburg-Madison County Airport (23 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    58 °F
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