Flournoy Reservoir Weather Forecast

    • 48
    • 87

    Partly Cloudy

    • 49
    • 87

    Partly Sunny

    • 37
    • 71

    Chance Rain

    • 38
    • 73

    Chance Rain

    • 36
    • 74

    Partly Sunny

    • 35
    • 70

    Partly Sunny

Today 11 May Modoc County

Sunny. Highs in the lower to mid 80s. East Winds around 5 Mph shifting to the south in the late morning and early Afternoon, then shifting to the southwest late in the afternoon.

Tonight 11 May Modoc County

Partly cloudy in the evening then clearing. Lows in the mid 40s to lower 50s. Southwest Winds 5 to 10 Mph shifting to the south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Flournoy Reservoir Temperature Statistics

May Temperature

Alturas (16.2 miles)

  • Lowest 1 May, 2026

    30.7 °F

  • Average May

    57.9 °F

  • Highest 6 May, 2026

    79.6 °F

Climate (2021–Present)

Alturas (16.2 miles)

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  • Average Low 2021–2026

    33.5 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    64.9 °F
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