Rainbow Lake Weather Forecast

    • 3
    • 25

    Mostly Sunny

    • 9
    • 26

    Partly Sunny

    • 28
    • 32

    Snow

    • 32
    • 39

    Rain/Snow

    • 32
    • 39

    Rain/Snow Likely

    • 31
    • 39

    Chance Rain/Snow

Today 29 Jan Upper Snake River Plain

Sunny. Highs 23 to 31. Light and variable Winds.

Tonight 29 Jan Upper Snake River Plain

Partly cloudy. Lows 2 below to 8 above zero. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

January Temperature

Rexburg, Rexburg-Madison County Airport (2.5 miles)

  • Lowest 20 January, 2025

    -18.1 °F

  • Average January

    16.8 °F

  • Highest 4 January, 2025

    39.7 °F

Climate (2020–Present)

Rexburg, Rexburg-Madison County Airport (2.5 miles)

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  • Average Low 2020–2025

    33.2 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    57.1 °F
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