Fallon Weather Forecast

    • 5
    • 32

    Decreasing Clouds

    • 14
    • 25

    Mostly Cloudy

    • 15
    • 30

    Chance Snow

    • 8
    • 24

    Mostly Cloudy

    • 1
    • 27

    Chance Snow

    • -11
    • 9

    Chance Snow

Today 18 Jan Prairie

Mostly cloudy with a slight chance of snow Showers this Morning, then partly sunny this afternoon. Highs in the lower 30s. Northwest wind 15 to 20 Mph. Gusts up to 35 Mph this morning. Chance of snow 20 percent.

Tonight 18 Jan Prairie

Partly cloudy. Lows 5 to 10 above. Northwest wind 5 to 10 Mph. Wind chill Values around 5 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fallon Temperature Statistics

January Temperature

Glendive, Dawson Community Airport (25.5 miles)

  • Lowest 16 January, 2026

    3 °F

  • Average January

    31.5 °F

  • Highest 12 January, 2026

    51.1 °F

Climate (2021–Present)

Glendive, Dawson Community Airport (25.5 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    56.4 °F
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