West Valley Reservoir Weather Forecast
- 33
- 46
Rain/Snow
- 27
- 41
Rain/Snow
- 21
- 39
Snow
- 15
- 36
Mostly Sunny
- 18
- 39
Mostly Sunny
- 21
- 43
Mostly Sunny
Today 24 Dec Modoc County
Mostly cloudy until early afternoon then becoming partly cloudy. Rain early this Morning, then chance of snow late this morning. Chance of rain in the late morning and early afternoon. Snow level 5500 feet. No snow accumulation. Highs in the mid 40s to lower 50s. Windy. South Winds 25 to 35 Mph with Gusts to around 55 Mph decreasing to 15 to 25 Mph this afternoon. Chance of precipitation 90 percent.
Tonight 24 Dec Modoc County
Mostly cloudy. Chance of rain and snow in the Evening, then rain and snow after midnight. Snow level 5000 feet rising to 5500 feet after midnight. Little or no snow accumulation except snow accumulation of 2 to 3 Inches in the warner Mountains. Lows in the lower to mid 30s. Breezy. Southeast Winds 15 to 25 Mph with Gusts to around 45 Mph. Chance of precipitation 80 percent.
West Valley Reservoir Temperature Statistics
December Temperature
Alturas (21.1 miles)
Lowest 1 December, 2025
15.1 °FAverage December
44.1 °FHighest 10 December, 2025
64 °F
Climate (2020–Present)
Alturas (21.1 miles)
Average Low 2020–2025
33.4 °FAverage 2020–2025
49.4 °FAverage High 2020–2025
64.4 °F