Barnum Lake Weather Forecast

    • 42
    • 57

    Rain Showers

    • 36
    • 54

    Rain Showers

    • 32
    • 45

    Chance Rain Showers

    • 36
    • 57

    Partly Sunny

    • 42
    • 63

    Chance Rain Showers

    • 46
    • 66

    Chance Rain Showers

Today 17 May North Cass

Mostly cloudy. A slight chance of Showers in the Morning, then Showers likely with a slight chance of Thunderstorms in the afternoon. Highs in the mid 50s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

Tonight 17 May North Cass

A slight chance of Thunderstorms. Showers. Lows in the lower 40s. East Winds 10 to 15 Mph, becoming northeast 5 to 10 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barnum Lake Temperature Statistics

May Temperature

Longville, Longville Municipal Airport (5.6 miles)

  • Lowest 1 May, 2026

    24.8 °F

  • Average May

    46.8 °F

  • Highest 14 May, 2026

    75.2 °F

Climate (2021–Present)

Longville, Longville Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    31.4 °F

  • Average 2021–2026

    41.9 °F

  • Average High 2021–2026

    51.5 °F
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