Mountain Home Weather Forecast

    • 21
    • 33

    Cloudy

    • 22
    • 30

    Mostly Cloudy

    • 22
    • 25

    Partly Sunny

    • 19
    • 30

    Mostly Sunny

    • 18
    • 31

    Partly Sunny

    • 24
    • 32

    Mostly Cloudy

Today 20 Jan Upper Treasure Valley

Mostly cloudy. Patchy fog this morning. Areas of fog this afternoon. Highs 29 to 34. Light Winds this Morning, becoming northwest up to 10 Mph this afternoon.

Tonight 20 Jan Upper Treasure Valley

Mostly cloudy. Areas of dense fog. Lows 18 to 23. Light Winds.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Home Temperature Statistics

January Temperature

Mountain Home Air Force Base (10.6 miles)

  • Lowest 15 January, 2026

    20.3 °F
  • Average January

    34.9 °F
  • Highest 2 January, 2026

    53.1 °F

Climate (2021–Present)

Mountain Home Air Force Base (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    40 °F
  • Average 2021–2026

    52.5 °F
  • Average High 2021–2026

    65.3 °F
Get WillyWeather+ to remove ads