Erickson Reservoir Weather Forecast
- 9
- 16
Decreasing Clouds
- 21
- 34
Mostly Cloudy
- 7
- 37
Slight Chance Snow
- 18
- 35
Mostly Cloudy
- 21
- 34
Mostly Cloudy
- 13
- 33
Mostly Cloudy
- 10
- 29
Mostly Cloudy
Today 20 Dec Richland
Sunny. Much Colder with Highs around 20. North wind around 5 Mph, becoming southwest this afternoon.
Tonight 20 Dec Richland
Partly cloudy this Evening, then clearing. Lows 5 to 10 above. South wind 5 to 10 Mph.
Erickson Reservoir Temperature Statistics
December Temperature
Sidney-Richland (14.3 miles)
Lowest 13 December, 2025
-11 °FAverage December
15.4 °FHighest 9 December, 2025
43 °F
Climate (2020–Present)
Sidney-Richland (14.3 miles)
Average Low 2020–2025
31.9 °FAverage 2020–2025
43.9 °FAverage High 2020–2025
56.1 °F