Plains Weather Forecast

    • 42
    • 73

    Decreasing Clouds

    • 45
    • 82

    Partly Sunny

    • 48
    • 84

    Partly Sunny

    • 39
    • 63

    Rain Showers

    • 33
    • 54

    Chance Rain

    • 32
    • 57

    Mostly Cloudy

Today 19 Apr Lower Clark Fork Region

Partly cloudy. Highs in the mid 60s to lower 70s.

Tonight 19 Apr Lower Clark Fork Region

Mostly cloudy until early morning then becoming partly cloudy. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Plains Temperature Statistics

April Temperature

Mullan Pass, Mullan Pass Vor (36.7 miles)

  • Lowest 16 April, 2026

    18 °F

  • Average April

    34.6 °F

  • Highest 5 April, 2026

    55.9 °F

Climate (2021–Present)

Mullan Pass, Mullan Pass Vor (36.7 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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