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.
This Afternoon
45°F
Partly Sunny
Partly sunny. High near 45, with temperatures falling to around 40 in the afternoon. Southeast wind around 1 mph.
7-day forecast for Little Bitterroot Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Partly Sunny | 1 mph SE | 0% |
| Tonight | 24°F | Mostly Cloudy | 0 mph | 1% |
| Wednesday | 48°F | Mostly Sunny | 1 mph SE | 0% |
| Wednesday Night | 25°F | Partly Cloudy | 1 mph SSE | 2% |
| Thursday | 44°F | Mostly Cloudy | 0 to 5 mph SSW | 7% |
| Thursday Night | 27°F | Mostly Cloudy | 3 mph SW | 5% |
| Friday | 46°F | Mostly Cloudy then Slight Chance Light Rain | 5 mph SSW | 18% |
| Friday Night | 29°F | Slight Chance Light Rain then Mostly Cloudy | 2 to 6 mph SW | 18% |
| Saturday | 50°F | Partly Sunny | 2 mph SSW | 5% |
| Saturday Night | 30°F | Mostly Cloudy | 2 mph SSE | 14% |
| Sunday | 54°F | Chance Light Rain | 5 mph SSW | 26% |
| Sunday Night | 31°F | Slight Chance Light Rain then Mostly Cloudy | 3 mph SW | 17% |
| Monday | 50°F | Mostly Cloudy | 2 mph S | 11% |
| Monday Night | 31°F | Chance Light Rain | 2 mph S | 25% |
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
4b
More local growing data for Little Bitterroot Lake: nearby ZIP 59925 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
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Columbia Falls
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Helena Flats
Hungry Horse
Kalispell
Kila
Lakeside
Marion
Martin City
Olney
Pinnacle
Polebridge
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Snowslip
Somers
West Glacier
Whitefish
Woods Bay
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 3, 2026.