South Mountain Reservoir Weather Forecast

    • 25
    • 47

    Decreasing Clouds

    • 33
    • 53

    Mostly Cloudy

    • 29
    • 51

    Mostly Cloudy

    • 29
    • 50

    Mostly Cloudy

    • 28
    • 52

    Partly Sunny

    • 27
    • 52

    Partly Sunny

Today 1 Nov Modoc County

Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the mid 40s to lower 50s. North Winds around 5 Mph.

Tonight 1 Nov Modoc County

Mostly clear. Patchy fog after midnight. Lows in the mid 20s to lower 30s. North Winds around 5 Mph early in the evening becoming Light, then becoming northeast around 5 Mph after midnight.

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South Mountain Reservoir Temperature Statistics

November Temperature

Alturas (22.4 miles)

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  • Average November

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Climate (2021–2026)

Alturas (22.4 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    64.9 °F
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