Heart Lake Weather Forecast

    • 6
    • 18

    Increasing Clouds

    • 10
    • 25

    Mostly Sunny

    • 20
    • 23

    Snow

    • 13
    • 26

    Snow

    • 18
    • 25

    Chance Snow

    • 23
    • 27

    Snow Likely

Today 29 Nov Southern Rocky Mountain Front

Mostly sunny. Highs 15 to 21. West Winds up to 5 Mph.

Tonight 29 Nov Southern Rocky Mountain Front

Mostly cloudy in the evening then becoming partly cloudy. Near steady temperature around 7. East Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heart Lake Temperature Statistics

November Temperature

Helena Regional Airport (47.8 miles)

  • Lowest 25 November, 2025

    19.9 °F

  • Average November

    41.7 °F

  • Highest 1 November, 2025

    73 °F

Climate (2020–Present)

Helena Regional Airport (47.8 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    59.5 °F
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