Fallon Weather Forecast

    • 56
    • 78

    Chance Rain Showers

    • 56
    • 77

    Chance Rain Showers

    • 52
    • 72

    Chance Rain Showers

    • 51
    • 66

    Chance Rain Showers

    • 52
    • 64

    Slight Chance Rain Showers

    • 52
    • 67

    Mostly Cloudy

Today 15 Sep Morton

Decreasing Clouds. Patchy fog in the morning. A slight chance of Thunderstorms. Showers likely in the Morning, then a chance of Showers in the afternoon. Highs in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 15 Sep Morton

Increasing Clouds. Lows in the mid 50s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fallon Temperature Statistics

September Temperature

MANDAN (19.9 miles)

  • Lowest 6 September, 2025

    35.6 °F

  • Average September

    62.5 °F

  • Highest 12 September, 2025

    89.6 °F

Climate (2020–Present)

MANDAN (19.9 miles)

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  • Average Low 2020–2025

    32.6 °F

  • Average 2020–2025

    43.2 °F

  • Average High 2020–2025

    53.9 °F
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