Big Sage Reservoir Weather Forecast

    • 32
    • 45

    Rain Likely

    • 37
    • 43

    Rain

    • 34
    • 46

    Rain

    • 32
    • 44

    Rain Likely

    • 35
    • 47

    Rain

    • 28
    • 42

    Snow Likely

    • 28
    • 41

    Snow Likely

Today 19 Dec Modoc County

Cloudy. Rain early this Afternoon, then rain likely late this afternoon. Snow level 6000 feet. Highs in the lower 40s to lower 50s. Breezy. Southwest Winds 15 to 25 Mph with Gusts to around 40 Mph. Chance of rain 80 percent.

Tonight 19 Dec Modoc County

Cloudy. Chance of rain early this Evening, then chance of rain and snow late this evening and overnight. Snow level 5500 feet lowering to 4600 feet after midnight. Lows in the lower to mid 30s. West Winds 10 to 20 Mph shifting to the northwest 5 to 10 Mph well after midnight. Chance of precipitation 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sage Reservoir Temperature Statistics

December Temperature

Alturas (9.3 miles)

  • Lowest 1 December, 2025

    15.1 °F

  • Average December

    44 °F

  • Highest 10 December, 2025

    64 °F

Climate (2020–Present)

Alturas (9.3 miles)

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

  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    64.4 °F
Get WillyWeather+ to remove ads