Erickson Reservoir Weather Forecast

    • 12
    • 25

    Mostly Cloudy

    • 12
    • 23

    Mostly Cloudy

    • 12
    • 23

    Mostly Cloudy

    • 19
    • 27

    Mostly Cloudy

    • 18
    • 37

    Partly Sunny

    • 16
    • 34

    Mostly Cloudy

Today 31 Dec Richland

Partly sunny this Morning, then becoming mostly cloudy. Patchy freezing fog this morning. Highs in the mid 20s. North wind 5 to 10 Mph, becoming east this afternoon.

Tonight 31 Dec Richland

Mostly cloudy in the Evening, then becoming partly cloudy. Lows 10 to 15. East wind around 5 Mph, becoming south around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Erickson Reservoir Temperature Statistics

December Temperature

Sidney-Richland (14.3 miles)

  • Lowest 13 December, 2025

    -11 °F

  • Average December

    17.4 °F

  • Highest 19 December, 2025

    48 °F

Climate (2020–Present)

Sidney-Richland (14.3 miles)

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

  • Average Low 2020–2025

    31.8 °F

  • Average 2020–2025

    43.9 °F

  • Average High 2020–2025

    56 °F
Get WillyWeather+ to remove ads