Big Sage Reservoir Weather Forecast
- 31
- 45
Rain/Snow Likely
- 30
- 46
Chance Rain/Snow
- 35
- 54
Mostly Cloudy
- 24
- 48
Rain Likely
- 23
- 46
Mostly Sunny
- 29
- 55
Mostly Sunny
Today 12 Apr Modoc County
Mostly cloudy. Chance of rain Showers, snow Showers and slight chance of Thunderstorms in the Morning, then rain Showers, snow Showers likely and slight chance of Thunderstorms in the afternoon. Snow level 3800 feet rising to 4700 feet in the afternoon. Little or no snow accumulation. Highs in the mid 40s to lower 50s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the late morning and afternoon. Chance of precipitation 70 percent.
Tonight 12 Apr Modoc County
Mostly cloudy. Rain and snow Showers likely in the Evening, then chance of rain and snow Showers after midnight. Snow level 4700 feet. Little or no snow accumulation. Lows in the lower to mid 30s. Southwest Winds 5 to 10 Mph. Chance of precipitation 70 percent.
Big Sage Reservoir Temperature Statistics
April Temperature
Alturas (9.3 miles)
Lowest 3 April, 2026
17.7 °FAverage April
46.3 °FHighest 5 April, 2026
73.7 °F
Climate (2021–Present)
Alturas (9.3 miles)
Average Low 2021–2026
33.5 °FAverage 2021–2026
49.7 °FAverage High 2021–2026
64.9 °F