Heath Dam Reservoir Weather Forecast
- 36
- 68
Becoming Sunny
- 36
- 66
Partly Sunny
- 37
- 65
Chance Rain Showers
- 37
- 61
Chance Rain Showers
- 36
- 58
Rain Showers Likely
- 33
- 56
Chance Rain/Snow
Today 6 Apr Lassen-Eastern Plumas-Eastern Sierra Counties
Mostly cloudy in the morning then clearing. Highs 66 to 76. Light Winds becoming west around 10 Mph in the afternoon.
Tonight 6 Apr Lassen-Eastern Plumas-Eastern Sierra Counties
Clear. Lows 32 to 42. West Winds 10 to 15 Mph in the evening becoming light.
Heath Dam Reservoir Temperature Statistics
April Temperature
Alturas (45.4 miles)
Lowest 3 April, 2026
17.1 °FAverage April
40.5 °FHighest 3 April, 2026
59 °F
Climate (2021–Present)
Alturas (45.4 miles)
Average Low 2021–2026
33.5 °FAverage 2021–2026
49.6 °FAverage High 2021–2026
64.9 °F