Lake Mason National Wildlife Refuge Weather Forecast
- 18
- 34
Snow
- 15
- 31
Chance Snow
- 25
- 38
Mostly Cloudy
- 27
- 40
Mostly Cloudy
- 26
- 46
Chance Rain/Snow
- 25
- 40
Chance Rain/Snow
Today 5 Dec Musselshell
Mostly sunny. Patchy fog in the morning. A 50 percent chance of snow late in the afternoon. Highs in the upper 30s. Southwest Winds 5 to 10 Mph.
Tonight 5 Dec Musselshell
Snow likely in the evening and Overnight, then snow likely and slight chance of rain after 3 am. Patchy fog early in the evening. Patchy fog overnight. Snow accumulation an inch or less. Lows in the lower 20s. Temperatures rising into the upper 20s after midnight. Southwest Winds 5 to 15 Mph. Chance of precipitation 70 percent.
Lake Mason National Wildlife Refuge Temperature Statistics
December Temperature
N BAR Ranch Airport (10.6 miles)
Lowest 1 December, 2025
19.4 °FAverage December
30.1 °FHighest 1 December, 2025
37.4 °F
Climate (2020–Present)
N BAR Ranch Airport (10.6 miles)
Average Low 2020–2025
31.6 °FAverage 2020–2025
43.8 °FAverage High 2020–2025
55.2 °F