Heise Weather Forecast

    • 20
    • 32

    Sunny

    • 17
    • 35

    Patchy Freezing Fog

    • 19
    • 35

    Patchy Freezing Fog

    • 21
    • 34

    Patchy Freezing Fog

    • 21
    • 35

    Partly Sunny

    • 25
    • 35

    Mostly Cloudy

    • 26
    • 35

    Chance Snow

Today 17 Jan Upper Snake River Plain

Sunny. Patchy dense freezing fog in the morning. Highs 31 to 38. Light and variable Winds. Becoming south up to 10 Mph in the afternoon.

Tonight 17 Jan Upper Snake River Plain

Mostly clear. Patchy dense freezing fog after midnight. Lows 12 to 22. Northeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heise Temperature Statistics

January Temperature

Rexburg, Rexburg-Madison County Airport (14.3 miles)

  • Lowest 11 January, 2026

    14 °F

  • Average January

    30.5 °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

    46 °F

  • Average High 2021–2026

    58 °F
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