Preacher Mountain Weather Forecast

    • 50
    • 56

    Rain Likely

    • 53
    • 70

    Mostly Sunny

    • 53
    • 76

    Sunny

    • 54
    • 73

    Partly Sunny

    • 53
    • 72

    Mostly Sunny

    • 53
    • 70

    Slight Chance Thunderstorms

Today 15 Sep Kootenai/Cabinet Region

Mostly cloudy. A chance of rain in the Morning, then chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Areas of fog in the morning. Chance of precipitation 50 percent. Highs in the mid 60s to lower 70s.

Tonight 15 Sep Kootenai/Cabinet Region

Partly cloudy. A 20 percent chance of rain in the evening. Patchy fog after midnight. Lows in the 40s.

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Preacher Mountain Temperature Statistics

September Temperature

Boundary County Airport (23 miles)

  • Lowest 9 September, 2025

    50 °F

  • Average September

    69.5 °F

  • Highest 2 September, 2025

    95 °F

Climate (2020–Present)

Boundary County Airport (23 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    56.4 °F
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