Fallon Weather Forecast

    • 38
    • 68

    Mostly Sunny

    • 36
    • 68

    Mostly Sunny

    • 45
    • 68

    Mostly Sunny

    • 50
    • 76

    Partly Sunny

    • 36
    • 68

    Rain Likely

    • 29
    • 50

    Partly Sunny

Today 19 Oct Prairie

Sunny. Highs in the upper 60s. Southeast wind 10 to 15 Mph.

Tonight 19 Oct Prairie

Mostly clear. Lows in the upper 30s. East wind 5 to 10 Mph.

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  • Temperature Real-Time

Fallon Temperature Statistics

October Temperature

Glendive, Dawson Community Airport (25.5 miles)

  • Lowest 16 October, 2026

    21.9 °F

  • Average October

    51.2 °F

  • Highest 5 October, 2026

    82.9 °F

Climate (2021–2026)

Glendive, Dawson Community Airport (25.5 miles)

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  • Average Low 2021–2026

    34.1 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    57 °F
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