Kalispell, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kalispell, a city in Flathead County, Montana.
This Afternoon
74°F
Sunny
Sunny, with a high near 74. Southeast wind around 7 mph.
7-day forecast for Kalispell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Sunny | 7 mph SE | 3% |
| Tonight | 49°F | Mostly Cloudy | 2 mph WNW | 2% |
| Saturday | 75°F | Sunny | 2 mph NE | 1% |
| Saturday Night | 48°F | Partly Cloudy | 1 mph SE | 0% |
| Sunday | 74°F | Sunny | 0 to 5 mph ESE | 0% |
| Sunday Night | 48°F | Mostly Clear | 0 to 3 mph ENE | 0% |
| Monday | 76°F | Sunny | 0 to 5 mph E | 0% |
| Monday Night | 48°F | Mostly Clear | 0 to 3 mph WSW | 0% |
| Tuesday | 74°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 2 mph S | 1% |
| Wednesday | 72°F | Sunny | 0 to 6 mph SSW | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 3 mph WNW | 2% |
| Thursday | 73°F | Mostly Sunny | 2 mph ESE | 3% |
| Thursday Night | 49°F | Partly Cloudy | 1 mph N | 2% |
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
5b
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 Sep 19, 2026.