Idaho Falls Weather Forecast

    • 38
    • 61

    Decreasing Clouds

    • 36
    • 65

    Mostly Sunny

    • 41
    • 72

    Sunny

    • 47
    • 77

    Slight Chance Rain Showers

    • 46
    • 71

    Chance Rain Showers

    • 43
    • 67

    Chance Rain Showers

    • 43
    • 66

    Chance Rain Showers

Today 30 Apr Upper Snake River Plain

Mostly sunny. Highs 55 to 63. North Winds around 10 Mph. Shifting to west in the afternoon.

Tonight 30 Apr Upper Snake River Plain

Decreasing Clouds. Lows 33 to 40. Southwest Winds around 10 Mph. Shifting to northeast up to 10 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Idaho Falls Temperature Statistics

April Temperature

Idaho Falls Regional Airport (2.5 miles)

  • Lowest 19 April, 2025

    19.9 °F

  • Average April

    46.8 °F

  • Highest 10 April, 2025

    75.7 °F

Climate (2020–Present)

Idaho Falls Regional Airport (2.5 miles)

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

  • Average Low 2020–2025

    32.9 °F

  • Average 2020–2025

    45.9 °F

  • Average High 2020–2025

    58.6 °F
Get WillyWeather+ to remove ads