Fallon Weather Forecast

    • 59
    • 88

    Mostly Sunny

    • 66
    • 90

    Chance Rain Showers

    • 63
    • 93

    Chance Rain Showers

    • 56
    • 88

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 58
    • 85

    Partly Sunny

Today 21 Aug Prairie

Sunny. Highs in the upper 80s. Northeast wind 10 to 15 Mph.

Tonight 21 Aug Prairie

Partly cloudy. Lows in the upper 50s. Northeast wind 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fallon Temperature Statistics

August Temperature

Glendive, Dawson Community Airport (25.5 miles)

  • Lowest 4 August, 2026

    44.1 °F

  • Average August

    70.1 °F

  • Highest 1 August, 2026

    104 °F

Climate (2021–2026)

Glendive, Dawson Community Airport (25.5 miles)

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

  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    45.2 °F

  • Average High 2021–2026

    56.7 °F
Get WillyWeather+ to remove ads