Big Sage Reservoir Weather Forecast
- 33
- 56
Rain Showers Likely
- 32
- 50
Chance Rain/Snow
- 33
- 54
Chance Rain Showers
- 33
- 58
Mostly Sunny
- 37
- 64
Mostly Sunny
- 38
- 67
Mostly Sunny
Today 25 Apr Modoc County
Partly cloudy with a slight chance of rain Showers this Morning, then mostly cloudy with a chance of rain Showers and slight chance of Thunderstorms this afternoon. Snow level 6500 feet this afternoon. Highs in the mid 50s to lower 60s. West Winds 10 to 15 Mph. Chance of precipitation 40 percent.
Tonight 25 Apr Modoc County
Mostly cloudy. Chance of rain Showers, snow Showers and slight chance of Thunderstorms in the Evening, then chance of rain and snow after midnight. Snow level 6000 feet lowering to 4800 feet after midnight. Lows in the lower to mid 30s. West Winds 10 to 15 Mph shifting to the southwest around 5 Mph after midnight. Chance of precipitation 40 percent.
Big Sage Reservoir Temperature Statistics
April Temperature
Alturas (9.3 miles)
Lowest 17 April, 2026
13.6 °FAverage April
44.9 °FHighest 5 April, 2026
73.7 °F
Climate (2021–Present)
Alturas (9.3 miles)
Average Low 2021–2026
33.5 °FAverage 2021–2026
49.6 °FAverage High 2021–2026
64.9 °F