Heise Weather Forecast

    • 18
    • 29

    Increasing Clouds

    • 20
    • 35

    Mostly Sunny

    • 23
    • 37

    Partly Sunny

    • 22
    • 37

    Partly Sunny

    • 20
    • 39

    Mostly Sunny

    • 18
    • 37

    Mostly Sunny

    • 17
    • 34

    Partly Sunny

Today 10 Jan Upper Snake River Plain

Partly sunny. Patchy freezing fog in the morning. Highs 26 to 33. South Winds up to 10 Mph in the morning. Becoming light and variable.

Tonight 10 Jan Upper Snake River Plain

Mostly cloudy. Lows 13 to 20. Northeast Winds up to 10 Mph.

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Heise Temperature Statistics

January Temperature

Rexburg, Rexburg-Madison County Airport (14.3 miles)

  • Lowest 8 January, 2026

    19 °F

  • Average January

    34.3 °F

  • Highest 3 January, 2026

    41 °F

Climate (2021–Present)

Rexburg, Rexburg-Madison County Airport (14.3 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    45.9 °F

  • Average High 2021–2026

    57.9 °F
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