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.
Today
78°F
Patchy Smoke then Sunny
Patchy smoke before noon. Sunny, with a high near 78. South southwest wind around 2 mph.
7-day forecast for Little Bitterroot Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Smoke then Sunny | 2 mph SSW | 0% |
| Tonight | 46°F | Mostly Clear | 2 mph NW | 0% |
| Wednesday | 83°F | Sunny | 0 to 3 mph W | 0% |
| Wednesday Night | 49°F | Clear | 0 to 3 mph NW | 0% |
| Thursday | 89°F | Sunny | 0 to 5 mph W | 0% |
| Thursday Night | 53°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Friday | 89°F | Sunny | 0 to 7 mph WSW | 0% |
| Friday Night | 53°F | Mostly Clear | 1 to 9 mph WSW | 0% |
| Saturday | 87°F | Sunny | 1 to 8 mph SW | 0% |
| Saturday Night | 51°F | Mostly Clear | 1 to 7 mph SW | 0% |
| Sunday | 84°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 50°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Monday | 83°F | Sunny | 0 to 3 mph SW | 0% |
| Monday Night | 49°F | Mostly Clear | 3 mph NW | 1% |
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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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 Aug 4, 2026.