Priest Butte Lake Weather Forecast

    • 48
    • 66

    Rain Showers

    • 44
    • 60

    Rain Showers

    • 43
    • 64

    Chance Rain Showers

    • 48
    • 75

    Mostly Sunny

    • 45
    • 76

    Partly Sunny

    • 39
    • 61

    Chance Rain Showers

    • 37
    • 58

    Chance Rain Showers

Today 6 Sep Southern High Plains

Mostly cloudy. Chance of rain Showers early in the Afternoon, then chance of rain Showers and slight chance of Thunderstorms late in the afternoon. Highs in the mid 60s. North Winds up to 10 Mph. Chance of precipitation 50 percent.

Tonight 6 Sep Southern High Plains

Rain Showers in the evening. Chance of Thunderstorms through the night. Rain Showers likely after midnight. Patchy fog after midnight. Some Thunderstorms may be severe in the evening. Lows in the upper 40s. North Winds up to 10 Mph. Chance of precipitation near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Priest Butte Lake Temperature Statistics

September Temperature

Great Falls, Great Falls International Airport (39.1 miles)

  • Lowest 1 September, 2026

    46.7 °F

  • Average September

    66.6 °F

  • Highest 1 September, 2026

    86.6 °F

Climate (2021–2026)

Great Falls, Great Falls International Airport (39.1 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    59.1 °F
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