Cannon Lake Weather Forecast

    • 31
    • 37

    Blowing Snow

    • 35
    • 43

    Breezy

    • 38
    • 45

    Chance Rain/Snow

    • 33
    • 44

    Snow Likely

    • 26
    • 40

    Chance Snow

    • 27
    • 40

    Mostly Sunny

Today 21 Feb Big Belt

Sunny. Highs 30 to 35. Southwest Winds 5 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 21 Feb Big Belt

Partly cloudy in the evening then becoming mostly cloudy. Lows 20 to 25. Southwest Winds 5 to 15 Mph. Gusts up to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cannon Lake Temperature Statistics

February Temperature

Helena Regional Airport (31.1 miles)

  • Lowest 11 February, 2025

    -23.1 °F

  • Average February

    5.6 °F

  • Highest 1 February, 2025

    43.6 °F

Climate (2020–Present)

Helena Regional Airport (31.1 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    47.2 °F

  • Average High 2020–2025

    59 °F
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