Square Lake Weather Forecast
- 28
- 34
Snow
- 26
- 39
Snow
- 30
- 46
Chance Rain/Snow
- 35
- 48
Chance Rain Showers
- 37
- 54
Partly Sunny
- 41
- 59
Partly Sunny
Today 16 May Lower Clark Fork Region
Rain likely and Areas of snow in the Morning, then rain Showers likely with possible snow Showers and Thunderstorms in the afternoon. Chance of precipitation 80 percent. Snow level 4500 feet. No snow accumulation. Highs in the mid 40s to lower 50s. West Winds to 15 Mph in the afternoon.
Tonight 16 May Lower Clark Fork Region
Mostly cloudy with a 50 percent chance of rain and snow. Lows in the upper 20s to mid 30s. West Winds to 15 Mph.
Square Lake Temperature Statistics
May Temperature
Mullan Pass, Mullan Pass Vor (19.3 miles)
Lowest 13 May, 2026
30.9 °FAverage May
47.8 °FHighest 12 May, 2026
68 °F
Climate (2021–Present)
Mullan Pass, Mullan Pass Vor (19.3 miles)
Average Low 2021–2026
34.1 °FAverage 2021–2026
40.1 °FAverage High 2021–2026
46.4 °F