Tennant Weather Forecast

    • 27
    • 37

    Chance Snow

    • 34
    • 43

    Rain/Snow Likely

    • 35
    • 47

    Rain

    • 29
    • 45

    Rain

    • 25
    • 47

    Chance Rain/Snow

    • 29
    • 51

    Chance Rain/Snow

Today 21 Feb North Central and Southeast Siskiyou County

Mostly cloudy. A 10 percent chance of snow early this afternoon. Highs in the lower 30s to lower 40s. Windy. South Winds 20 to 30 Mph.

Tonight 21 Feb North Central and Southeast Siskiyou County

Mostly cloudy. Slight chance of snow in the Evening, then chance of rain and snow after midnight. Snow level 4000 feet after midnight. Lows in the mid 20s to lower 30s. Windy. South Winds 20 to 30 Mph. Gusts up to 45 Mph well after midnight. Chance of precipitation 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Tennant Temperature Statistics

February Temperature

Mount Shasta (28 miles)

  • Lowest 18 February, 2026

    16 °F

  • Average February

    40.1 °F

  • Highest 5 February, 2026

    67.6 °F

Climate (2021–Present)

Mount Shasta (28 miles)

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

  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.8 °F
Get WillyWeather+ to remove ads