Ammon Weather Forecast

    • 31
    • 51

    Rain Showers

    • 29
    • 44

    Chance Snow

    • 30
    • 45

    Chance Snow Showers

    • 29
    • 49

    Chance Snow Showers

    • 28
    • 51

    Slight Chance Rain Showers

    • 28
    • 54

    Mostly Sunny

Today 31 Mar Upper Snake River Plain

Mostly cloudy. A chance of rain Showers, snow Showers and a slight chance of Thunderstorms in the morning. Then a chance of Showers and Thunderstorms in the afternoon. Breezy. Snow accumulation up to 2 Inches. Highs 43 to 52. South Winds 10 to 15 Mph. Shifting to southwest 15 to 25 Mph in the afternoon.

Tonight 31 Mar Upper Snake River Plain

Mostly cloudy. A chance of rain Showers, Thunderstorms and snow Showers in the evening. Then a slight chance of snow after midnight. Breezy, Colder. Snow accumulation around 1 inch. Lows 23 to 30. Southwest Winds 15 to 25 Mph. Decreasing to 10 to 15 Mph after midnight. Chance of precipitation 50 percent.

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Ammon Temperature Statistics

March Temperature

Idaho Falls Regional Airport (5.6 miles)

  • Lowest 8 March, 2025

    12.8 °F

  • Average March

    40.5 °F

  • Highest 26 March, 2025

    71.7 °F

Climate (2020–Present)

Idaho Falls Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    58.5 °F
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