Siskiyou Mountain Park Weather Forecast

    • 29
    • 43

    Rain/Snow

    • 26
    • 37

    Chance Snow

    • 31
    • 45

    Partly Sunny

    • 33
    • 47

    Mostly Cloudy

    • 35
    • 50

    Partly Sunny

    • 37
    • 52

    Partly Sunny

Today 7 Jan Jackson County

Cloudy. Chance of rain this morning. Chance of snow late this Morning, then rain and snow this afternoon. Snow level 3000 feet lowering to 2500 feet this afternoon. Snow accumulation up to 1 inch. Highs in the lower to mid 40s. Southwest Winds 10 to 15 Mph shifting to the west late this afternoon. Chance of precipitation 90 percent.

Tonight 7 Jan Jackson County

Rain, snow and slight chance of Thunderstorms in the Evening, then rain and snow after midnight. Snow level 1700 feet. Snow accumulation of 2 to 3 Inches. Lows in the mid 20s to lower 30s. West Winds 5 to 10 Mph. Chance of precipitation 80 percent.

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Siskiyou Mountain Park Temperature Statistics

January Temperature

Montague Siskiyou County Airport (28.6 miles)

  • Lowest 5 January, 2026

    33.1 °F

  • Average January

    43.3 °F

  • Highest 2 January, 2026

    54 °F

Climate (2021–Present)

Montague Siskiyou County Airport (28.6 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    69 °F
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