Grinnell Lake Weather Forecast
- 30
- 43
Mostly Sunny
- 31
- 49
Mostly Sunny
- 34
- 53
Mostly Sunny
- 29
- 47
Partly Sunny
- 32
- 48
Mostly Sunny
- 26
- 47
Slight Chance Snow Showers
Today 4 Feb Shirley Basin
Mostly sunny. Highs in the mid 40s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.
Tonight 4 Feb Shirley Basin
Partly cloudy in the Evening, then becoming mostly clear. Cold with Lows in the mid 20s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.
Grinnell Lake Temperature Statistics
February Temperature
Elk Mountain AWOS (34.8 miles)
Lowest
–Average February
–Highest
–
Climate (2021–Present)
Elk Mountain AWOS (34.8 miles)
Average Low 2021–2025
35 °FAverage 2021–2025
45.7 °FAverage High 2021–2025
56.3 °F