Meiss Lake Weather Forecast

    • 40
    • 77

    Mostly Sunny

    • 40
    • 71

    Slight Chance Thunderstorms

    • 42
    • 73

    Slight Chance Thunderstorms

    • 43
    • 77

    Sunny

    • 44
    • 81

    Mostly Sunny

    • 44
    • 84

    Mostly Sunny

Today 15 Sep Northeast Siskiyou and Northwest Modoc Counties

Sunny. Highs in the mid 70s to lower 80s. South Winds around 5 Mph early in the morning becoming Light, then becoming northwest around 5 Mph early in the afternoon increasing to 10 to 15 Mph.

Tonight 15 Sep Northeast Siskiyou and Northwest Modoc Counties

Partly cloudy. A 20 percent chance of Showers after midnight. Lows in the lower to mid 40s. West Winds 10 to 15 Mph decreasing to around 5 Mph well after midnight.

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Meiss Lake Temperature Statistics

September Temperature

Montague Siskiyou County Airport (21.7 miles)

  • Lowest 4 September, 2026

    35.7 °F

  • Average September

    60.7 °F

  • Highest 10 September, 2026

    94.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (21.7 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    69 °F
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