Big Spring Lake Weather Forecast

    • 49
    • 61

    Rain Likely

    • 46
    • 70

    Partly Sunny

    • 48
    • 75

    Sunny

    • 46
    • 74

    Partly Sunny

    • 47
    • 70

    Partly Sunny

    • 49
    • 73

    Partly Sunny

Today 15 Sep Northern High Plains

Cooler. Mostly cloudy with a 50 percent chance of rain Showers. Highs 60 to 65. Northwest Winds 10 to 15 Mph.

Tonight 15 Sep Northern High Plains

Mostly cloudy. Chance of rain Showers and slight chance of Thunderstorms in the Evening, then chance of rain Showers after midnight. Lows 45 to 50. Northwest Winds 5 to 15 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Spring Lake Temperature Statistics

September Temperature

Cut Bank, Cut Bank Municipal Airport (37.9 miles)

  • Lowest 5 September, 2025

    34 °F

  • Average September

    62.1 °F

  • Highest 3 September, 2025

    90 °F

Climate (2020–Present)

Cut Bank, Cut Bank Municipal Airport (37.9 miles)

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  • Average Low 2020–2025

    31.6 °F

  • Average 2020–2025

    43.6 °F

  • Average High 2020–2025

    55.2 °F
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