Little Bitterroot Lake, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Little Bitterroot Lake, a community in Flathead County, Montana.

Tonight

24°F

Mostly Cloudy

Mostly cloudy, with a low around 24. Wind around 0 mph.

7-day forecast for Little Bitterroot Lake

When	Temp	Forecast	Wind	Precip
Tonight	24°F	Mostly Cloudy	0 mph	0%
Wednesday	47°F	Mostly Sunny	1 mph SW	0%
Wednesday Night	25°F	Mostly Clear	1 mph SSE	1%
Thursday	42°F	Partly Sunny	0 to 5 mph SSW	9%
Thursday Night	27°F	Mostly Cloudy	3 mph SSW	2%
Friday	46°F	Partly Sunny then Slight Chance Light Rain	5 mph SSW	17%
Friday Night	30°F	Slight Chance Light Rain	5 mph SSW	17%
Saturday	51°F	Partly Sunny	3 mph S	4%
Saturday Night	32°F	Mostly Cloudy then Chance Light Rain	1 to 5 mph SSE	36%
Sunday	52°F	Chance Light Rain	5 to 9 mph SSW	36%
Sunday Night	31°F	Mostly Cloudy	2 to 6 mph SW	13%
Monday	48°F	Partly Sunny then Slight Chance Light Rain	2 mph S	19%
Monday Night	31°F	Slight Chance Light Rain	2 mph SSW	21%
Tuesday	51°F	Slight Chance Light Rain	3 mph SW	23%

Forecast source: National Weather Service (api.weather.gov) for Little Bitterroot Lake (48.134, -114.726). Updated through the day.

Growing snapshot for Little Bitterroot Lake

Growing season

44 days

Hardiness zone

More local growing data for Little Bitterroot Lake: nearby ZIP 59925 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Libby 32 Sse, Mt (18.6 mi from Little Bitterroot Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.