Tower Rock State Park Weather Forecast

    • 58
    • 90

    Slight Chance Thunderstorms

    • 58
    • 97

    Hot

    • 54
    • 93

    Slight Chance Thunderstorms

    • 51
    • 84

    Mostly Sunny

    • 50
    • 82

    Mostly Sunny

    • 53
    • 88

    Mostly Sunny

    • 56
    • 91

    Mostly Sunny

Today 18 Aug Gates of the Mountains

Warmer. Partly cloudy late in the morning then becoming sunny. A 20 percent chance of Thunderstorms late in the morning. Highs 80 to 90. South Winds up to 10 Mph.

Tonight 18 Aug Gates of the Mountains

Mostly clear. A 20 percent chance of Thunderstorms in the evening. Lows 55 to 60. Southwest Winds up to 10 Mph.

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Tower Rock State Park Temperature Statistics

August Temperature

Great Falls, Great Falls International Airport (28 miles)

  • Lowest 15 August, 2025

    47.6 °F

  • Average August

    68.9 °F

  • Highest 13 August, 2025

    94.6 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (28 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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