Heise Weather Forecast

    • 41
    • 44

    Rain

    • 39
    • 45

    Rain

    • 40
    • 51

    Mostly Cloudy

    • 37
    • 49

    Rain

    • 34
    • 45

    Rain/Snow

    • 25
    • 40

    Snow Likely

    • 23
    • 34

    Partly Sunny

Today 21 Dec Upper Snake River Plain

Snow and rain in the morning. Then rain in the afternoon. Snow accumulation of 2 to 3 Inches. Highs 36 to 46. South Winds up to 10 Mph. Shifting to southwest in the afternoon.

Tonight 21 Dec Upper Snake River Plain

Rain likely. Breezy. Lows 30 to 40. Southwest Winds 15 to 25 Mph.

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  • Temperature Real-Time

Heise Temperature Statistics

December Temperature

Rexburg, Rexburg-Madison County Airport (14.3 miles)

  • Lowest 3 December, 2025

    12.9 °F

  • Average December

    34.8 °F

  • Highest 17 December, 2025

    53.1 °F

Climate (2020–Present)

Rexburg, Rexburg-Madison County Airport (14.3 miles)

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  • Average Low 2020–2025

    33.8 °F

  • Average 2020–2025

    45.8 °F

  • Average High 2020–2025

    57.8 °F
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