Split Rock Lake Weather Forecast

    • 53
    • 80

    Chance Rain Showers

    • 57
    • 85

    Chance Rain Showers

    • 58
    • 91

    Partly Sunny

    • 53
    • 89

    Mostly Sunny

    • 48
    • 79

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

Today 17 Aug Southern High Plains

Not as warm. Partly cloudy with slight chance of rain Showers early in the Morning, then mostly cloudy with chance of rain Showers and slight chance of Thunderstorms in the afternoon. Highs around 80. Southwest Winds up to 10 Mph. Chance of precipitation 30 percent.

Tonight 17 Aug Southern High Plains

Mostly cloudy with a 40 percent chance of rain Showers in the Evening, then mostly clear after midnight. Lows in the mid 50s. West Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Split Rock Lake Temperature Statistics

August Temperature

Great Falls, Great Falls International Airport (54.7 miles)

  • Lowest 8 August, 2025

    48.7 °F

  • Average August

    68.8 °F

  • Highest 13 August, 2025

    94.6 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (54.7 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    46.4 °F

  • Average High 2020–2025

    58.3 °F
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