McCowin Park Weather Forecast

    • 26
    • 46

    Rain

    • 28
    • 38

    Rain/Snow Likely

    • 38
    • 43

    Rain

    • 38
    • 46

    Rain Likely

    • 39
    • 50

    Chance Rain

    • 33
    • 50

    Rain Likely

Today 19 Dec Upper Snake River Plain

A chance of rain and snow in the morning. Then rain likely in the afternoon. Strong Winds. Snow accumulation around 1 inch. Highs 39 to 46. Southwest Winds 35 to 45 Mph.

Tonight 19 Dec Upper Snake River Plain

Mostly cloudy with a chance of rain and a slight chance of snow in the evening. Then mostly clear after midnight. Windy, Colder. Little or no snow accumulation. Lows 15 to 25. West Winds 20 to 30 Mph. Becoming southwest 10 to 15 Mph after midnight. Chance of precipitation 50 percent.

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McCowin Park Temperature Statistics

December Temperature

Idaho Falls Regional Airport (5.6 miles)

  • Lowest 3 December, 2025

    9 °F

  • Average December

    36.1 °F

  • Highest 11 December, 2025

    54 °F

Climate (2020–Present)

Idaho Falls Regional Airport (5.6 miles)

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  • Average Low 2020–2025

    33.4 °F

  • Average 2020–2025

    46.3 °F

  • Average High 2020–2025

    59.2 °F
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