Kalispell, MT Weather & Growing Conditions

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

Tonight

26°F

Mostly Cloudy

Mostly cloudy, with a low around 26. Wind around 0 mph.

7-day forecast for Kalispell

When	Temp	Forecast	Wind	Precip
Tonight	26°F	Mostly Cloudy	0 mph	0%
Wednesday	44°F	Mostly Sunny	2 mph SE	0%
Wednesday Night	26°F	Partly Cloudy	2 mph SW	1%
Thursday	43°F	Partly Sunny	1 to 6 mph SSW	12%
Thursday Night	30°F	Mostly Cloudy	6 mph S	11%
Friday	47°F	Partly Sunny then Slight Chance Light Rain	6 to 10 mph S	17%
Friday Night	33°F	Slight Chance Light Rain	3 to 8 mph SSW	17%
Saturday	52°F	Partly Sunny	3 mph SSE	6%
Saturday Night	33°F	Mostly Cloudy then Slight Chance Light Rain	1 to 5 mph SSW	24%
Sunday	54°F	Slight Chance Light Rain	5 to 15 mph SSW	24%
Sunday Night	33°F	Slight Chance Light Rain	3 to 9 mph SSW	17%
Monday	50°F	Partly Sunny then Slight Chance Light Rain	0 to 3 mph SSE	18%
Monday Night	33°F	Slight Chance Light Rain	3 mph S	21%
Tuesday	52°F	Slight Chance Light Rain	5 mph S	21%

Forecast source: National Weather Service (api.weather.gov) for Kalispell (48.216, -114.328). Updated through the day.

Growing snapshot for Kalispell

Last spring frost

May 31

First fall frost

Sep 10

Growing season

100 days

Hardiness zone

More local growing data for Kalispell: nearby ZIP 59901 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Kalispell Glacier Ap, Mt (8.2 mi from Kalispell). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.