Big Sage Reservoir Weather Forecast

    • 45
    • 81

    Increasing Clouds

    • 36
    • 63

    Breezy

    • 39
    • 71

    Sunny

    • 36
    • 69

    Mostly Sunny

    • 33
    • 60

    Mostly Sunny

    • 36
    • 61

    Sunny

    • 39
    • 68

    Mostly Sunny

Today 12 May Modoc County

Partly cloudy. Highs in the lower to mid 80s. Southwest Winds 10 to 20 Mph.

Tonight 12 May Modoc County

Partly cloudy then becoming mostly cloudy after midnight then becoming partly cloudy. Lows in the mid 40s to lower 50s. Breezy. Southwest Winds 20 to 25 Mph decreasing to 10 to 15 Mph with Gusts to around 35 Mph late this evening and overnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sage Reservoir Temperature Statistics

May Temperature

Alturas (9.3 miles)

  • Lowest 1 May, 2026

    30.7 °F

  • Average May

    58.8 °F

  • Highest 10 May, 2026

    86 °F

Climate (2021–Present)

Alturas (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    65 °F
Get WillyWeather+ to remove ads