West Valley Reservoir Weather Forecast
- 29
- 49
Increasing Clouds
- 27
- 48
Partly Sunny
- 29
- 50
Partly Sunny
- 27
- 49
Mostly Cloudy
- 31
- 52
Partly Sunny
- 32
- 55
Mostly Cloudy
Today 25 Jan Modoc County
Sunny then becoming partly cloudy early this afternoon then becoming mostly cloudy. Highs in the mid 40s to lower 50s. Southeast Winds around 5 Mph shifting to the south this afternoon.
Tonight 25 Jan Modoc County
Mostly cloudy. Lows in the mid 20s to lower 30s. South Winds 5 to 10 Mph.
West Valley Reservoir Temperature Statistics
January Temperature
Alturas (21.1 miles)
Lowest 9 January, 2026
4.6 °FAverage January
36.9 °FHighest 14 January, 2026
60.7 °F
Climate (2021–Present)
Alturas (21.1 miles)
Average Low 2021–2026
33.5 °FAverage 2021–2026
49.5 °FAverage High 2021–2026
64.5 °F