Grinnell Lake Weather Forecast
- 12
- 38
Snow
- 22
- 28
Snow
- 30
- 34
Chance Snow
- 31
- 36
Chance Rain/Snow
- 29
- 37
Rain
- 23
- 34
Blizzard
Today 11 Dec East Glacier Park Region
Cloudy. Chance of snow early in the Afternoon, then slight chance of snow late in the afternoon. Highs 38 to 44. Temperatures falling into the lower 20s in the afternoon. Northwest Winds 10 to 15 Mph with Gusts to around 40 Mph. Chance of snow 50 percent.
Tonight 11 Dec East Glacier Park Region
Much Colder. Chance of snow until early Morning, then snow late in the night. Snow accumulation up to 5 Inches. Lows 4 to 12. Northeast Winds 5 to 15 Mph. Chance of snow near 100 percent.
Grinnell Lake Temperature Statistics
December Temperature
Kalispell, Glacier Park International Airport (40.4 miles)
Lowest 1 December, 2025
19.4 °FAverage December
32.4 °FHighest 9 December, 2025
46.4 °F
Climate (2020–Present)
Kalispell, Glacier Park International Airport (40.4 miles)
Average Low 2020–2025
33.3 °FAverage 2020–2025
45.3 °FAverage High 2020–2025
57 °F