Heffron Lake Weather Forecast

    • 65
    • 80

    Slight Chance Thunderstorms

    • 62
    • 79

    Chance Thunderstorms

    • 60
    • 80

    Chance Thunderstorms

    • 57
    • 75

    Rain Showers Likely

    • 51
    • 70

    Chance Rain Showers

    • 49
    • 63

    Chance Rain Showers

Today 14 Sep North Cass

Cloudy in the Morning, then becoming partly sunny. Areas of fog in the morning. Humid with Highs in the upper 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 14 Sep North Cass

Mostly cloudy. Near steady temperature in the lower 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heffron Lake Temperature Statistics

September Temperature

Longville, Longville Municipal Airport (3.7 miles)

  • Lowest 7 September, 2025

    35.6 °F

  • Average September

    54.9 °F

  • Highest 1 September, 2025

    78.8 °F

Climate (2020–Present)

Longville, Longville Municipal Airport (3.7 miles)

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  • Average Low 2020–2025

    31.5 °F

  • Average 2020–2025

    41.8 °F

  • Average High 2020–2025

    51.4 °F
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