Heise Weather Forecast

    • 48
    • 72

    Mostly Sunny

    • 39
    • 70

    Decreasing Clouds

    • 37
    • 58

    Partly Sunny

    • 43
    • 59

    Mostly Cloudy

    • 47
    • 65

    Mostly Cloudy

    • 39
    • 68

    Partly Sunny

    • 32
    • 53

    Mostly Sunny

Today 20 Mar Upper Snake River Plain

Sunny. Highs 70 to 78. South Winds up to 10 Mph. Shifting to southwest in the afternoon.

Tonight 20 Mar Upper Snake River Plain

Mostly clear. Lows 40 to 49. South Winds 10 to 15 Mph. Shifting to southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heise Temperature Statistics

March Temperature

Rexburg, Rexburg-Madison County Airport (14.3 miles)

  • Lowest 11 March, 2026

    16.6 °F

  • Average March

    40.9 °F

  • Highest 18 March, 2026

    75 °F

Climate (2021–Present)

Rexburg, Rexburg-Madison County Airport (14.3 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    46.3 °F

  • Average High 2021–2026

    58.3 °F
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