Idaho Falls Regional Airport Weather Forecast

    • 38
    • 73

    Mostly Sunny

    • 44
    • 80

    Partly Sunny

    • 47
    • 86

    Breezy

    • 52
    • 89

    Partly Sunny

    • 47
    • 86

    Partly Sunny

    • 45
    • 79

    Mostly Sunny

Today 9 May Upper Snake River Plain

Sunny. Highs 65 to 75. Northwest Winds up to 10 Mph. Shifting to west in the afternoon.

Tonight 9 May Upper Snake River Plain

Mostly clear. Lows 36 to 44. North Winds 10 to 15 Mph. Shifting to northeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Idaho Falls Regional Airport Temperature Statistics

May Temperature

Idaho Falls Regional Airport (0 miles)

  • Lowest 6 May, 2026

    27.6 °F

  • Average May

    52.8 °F

  • Highest 3 May, 2026

    75.7 °F

Climate (2021–Present)

Idaho Falls Regional Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    59.9 °F
Get WillyWeather+ to remove ads