Great Falls Weather Forecast

    • 60
    • 93

    Smoke

    • 60
    • 96

    Smoke

    • 60
    • 96

    Mostly Sunny

    • 60
    • 98

    Slight Chance Thunderstorms

    • 60
    • 98

    Hot

    • 63
    • 105

    Hot

    • 55
    • 98

    Hot

Today 27 Jul Cascade County below 5000ft

Sunny. Smoke early in the Afternoon, then Areas of smoke late in the afternoon. Highs in the lower 90s. East Winds up to 10 Mph.

Tonight 27 Jul Cascade County below 5000ft

Mostly clear. Areas of smoke in the Evening, then smoke after midnight. Lows around 60. Northeast Winds 5 to 10 Mph shifting to the northwest after midnight.

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Great Falls Temperature Statistics

July Temperature

Great Falls, Great Falls International Airport (3.7 miles)

  • Lowest 6 July, 2026

    44.7 °F

  • Average July

    72 °F

  • Highest 25 July, 2026

    100 °F

Climate (2021–2026)

Great Falls, Great Falls International Airport (3.7 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    59 °F
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