Diversion Lake Weather Forecast

    • 50
    • 82

    Areas Smoke

    • 52
    • 85

    Mostly Sunny

    • 53
    • 90

    Sunny

    • 53
    • 89

    Mostly Sunny

    • 52
    • 85

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

Today 5 Aug Southern Rocky Mountain Front

Warmer, sunny. Highs 67 to 77. West Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 5 Aug Southern Rocky Mountain Front

Mostly clear. Patchy smoke. Highs 68 to 78. Lows 41 to 52. West Winds up to 10 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diversion Lake Temperature Statistics

August Temperature

Great Falls, Great Falls International Airport (62.8 miles)

  • Lowest 1 August, 2026

    57.7 °F

  • Average August

    76.4 °F

  • Highest 1 August, 2026

    102.7 °F

Climate (2021–2026)

Great Falls, Great Falls International Airport (62.8 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    59.1 °F
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