Terreton Weather Forecast

    • 21
    • 29

    Chance Snow

    • 23
    • 34

    Chance Snow

    • 18
    • 41

    Slight Chance Rain/Snow

    • 22
    • 35

    Mostly Cloudy

    • 26
    • 39

    Mostly Cloudy

    • 30
    • 45

    Chance Rain/Snow

Today 4 Dec Arco/Mud Lake Desert

Cloudy. A slight chance of snow in the morning. Then a chance of snow in the afternoon. Snow accumulation up to 2 Inches. Highs 25 to 34. Southwest Winds 10 to 15 Mph.

Tonight 4 Dec Arco/Mud Lake Desert

Cloudy with a chance of snow. Patchy fog through the night. Snow accumulation of 3 to 7 Inches. Lows 17 to 27. Southwest Winds around 10 Mph. Chance of precipitation 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Terreton Temperature Statistics

December Temperature

Idaho Falls Regional Airport (28.6 miles)

  • Lowest 1 December, 2025

    25 °F

  • Average December

    27.4 °F

  • Highest 1 December, 2025

    32 °F

Climate (2020–Present)

Idaho Falls Regional Airport (28.6 miles)

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

  • Average Low 2020–2025

    33.2 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    59 °F
Get WillyWeather+ to remove ads