Idaho Falls Weather Forecast

    • 46
    • 69

    Isolated Thunderstorms

    • 48
    • 75

    Isolated Thunderstorms

    • 47
    • 76

    Chance Thunderstorms

    • 50
    • 77

    Chance Thunderstorms

    • 48
    • 72

    Chance Rain Showers

    • 49
    • 76

    Mostly Cloudy

    • 51
    • 80

    Partly Sunny

Today 20 May Upper Snake River Plain

Mostly cloudy. Scattered Thunderstorms and isolated rain Showers in the evening. Lows 44 to 51. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Idaho Falls Temperature Statistics

May Temperature

Idaho Falls Regional Airport (2.5 miles)

  • Lowest 2 May, 2018

    32 °F
  • Average May

    54.5 °F
  • Highest 6 May, 2018

    82 °F

Climate (2010–Present)

Idaho Falls Regional Airport (2.5 miles)

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  • Average Low 2010–Present

    32.8 °F
  • Average 2010–Present

    45.3 °F
  • Average High 2010–Present

    56.9 °F
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