Heise Weather Forecast

    • 59
    • 87

    Slight Chance Thunderstorms

    • 58
    • 88

    Increasing Clouds

    • 58
    • 88

    Mostly Sunny

    • 60
    • 89

    Mostly Sunny

    • 61
    • 86

    Chance Rain Showers

    • 57
    • 80

    Chance Rain Showers

    • 57
    • 79

    Chance Rain Showers

Today 20 Aug Upper Snake River Plain

Mostly sunny with a slight chance of rain Showers. Highs 86 to 94. South Winds up to 10 Mph. Shifting to southwest in the afternoon.

Tonight 20 Aug Upper Snake River Plain

Mostly clear. Lows 51 to 59. Southwest Winds 10 to 15 Mph. Shifting to north after midnight.

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  • Temperature Real-Time

Heise Temperature Statistics

August Temperature

Rexburg, Rexburg-Madison County Airport (14.3 miles)

  • Lowest 9 August, 2025

    44.7 °F

  • Average August

    69.9 °F

  • Highest 13 August, 2025

    95.6 °F

Climate (2020–Present)

Rexburg, Rexburg-Madison County Airport (14.3 miles)

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  • Average Low 2020–2025

    33.4 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    57.5 °F
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