Heffron Lake Weather Forecast

    • 39
    • 64

    Mostly Cloudy

    • 41
    • 62

    Partly Sunny

    • 40
    • 63

    Mostly Sunny

    • 45
    • 64

    Chance Rain Showers

    • 50
    • 63

    Slight Chance Rain Showers

    • 52
    • 68

    Slight Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

Today 20 Sep North Cass

Mostly cloudy. A 40 percent chance of Showers. Lows in the lower 50s. Highs in the upper 60s.

Tonight 20 Sep North Cass

Mostly cloudy after midnight. Cooler with Lows in the upper 30s. East Winds around 5 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 14 September, 2026

    35.4 °F

  • Average September

    62.1 °F

  • Highest 3 September, 2026

    84 °F

Climate (2021–2026)

Longville, Longville Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    31.2 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    51.2 °F
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