Plains Airport Weather Forecast

    • 35
    • 66

    Mostly Sunny

    • 43
    • 72

    Partly Sunny

    • 42
    • 68

    Rain Showers Likely

    • 41
    • 62

    Rain Likely

    • 39
    • 54

    Chance Rain

    • 38
    • 55

    Mostly Cloudy

Today 9 Apr Lower Clark Fork Region

Sunny. Highs in the upper 50s to mid 60s.

Tonight 9 Apr Lower Clark Fork Region

Mostly clear. Lows in the 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plains Airport Temperature Statistics

April Temperature

Mullan Pass, Mullan Pass Vor (35.4 miles)

  • Lowest 2 April, 2026

    24.1 °F

  • Average April

    36 °F

  • Highest 5 April, 2026

    55.9 °F

Climate (2021–Present)

Mullan Pass, Mullan Pass Vor (35.4 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    40 °F

  • Average High 2021–2026

    46.4 °F
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