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Bigfork, MT Weather & Growing Conditions

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

This Afternoon
72°F
Sunny
Sunny, with a high near 72. South southwest wind around 2 mph.

7-day forecast for Bigfork

WhenTempForecastWindPrecip
This Afternoon 72°F Sunny 2 mph SSW 4%
Tonight 50°F Partly Cloudy 1 to 5 mph SE 1%
Sunday 72°F Sunny 2 mph S 1%
Sunday Night 49°F Mostly Clear 2 mph ESE 0%
Monday 74°F Sunny 2 mph SSE 0%
Monday Night 51°F Mostly Clear 2 mph SE 0%
Tuesday 75°F Sunny 3 mph S 0%
Tuesday Night 52°F Partly Cloudy 1 mph SE 1%
Wednesday 72°F Mostly Sunny 1 to 5 mph SSE 3%
Wednesday Night 50°F Partly Cloudy 1 mph SSW 6%
Thursday 69°F Mostly Sunny 2 mph SSW 2%
Thursday Night 50°F Partly Cloudy 2 mph NE 11%
Friday 67°F Partly Sunny 3 mph NNW 12%
Friday Night 46°F Slight Chance Light Rain 2 mph E 21%

Forecast source: National Weather Service (api.weather.gov) for Bigfork (48.084, -114.055). Updated through the day.

Growing snapshot for Bigfork

Last spring frost
May 1
First fall frost
Oct 15
Growing season
165 days
Hardiness zone
6a

More local growing data for Bigfork: nearby ZIP 59922 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Bigfork 13 S, Mt (12.3 mi from Bigfork). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.