Little Grass Valley Reservoir Weather Forecast

    • 39
    • 55

    Decreasing Clouds

    • 38
    • 56

    Mostly Cloudy

    • 34
    • 53

    Mostly Sunny

    • 36
    • 56

    Mostly Sunny

    • 37
    • 58

    Mostly Sunny

    • 37
    • 60

    Sunny

    • 37
    • 59

    Mostly Sunny

Today 30 Jan Western Plumas County/Lassen Park

Mostly cloudy in the morning then becoming partly cloudy. Highs 44 to 59 higher Elevations. 50 to 63 lower Elevations. Light Winds.

Tonight 30 Jan Western Plumas County/Lassen Park

Partly cloudy. Lows 31 to 46. Light Winds.

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Little Grass Valley Reservoir Temperature Statistics

January Temperature

Emigrant Gap, Blue Canyon Nyack Airport (34.2 miles)

  • Lowest 8 January, 2026

    24.7 °F

  • Average January

    46 °F

  • Highest 13 January, 2026

    67.6 °F

Climate (2021–Present)

Emigrant Gap, Blue Canyon Nyack Airport (34.2 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    60.4 °F
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