Harman US

West Glacier, MT Weather & Growing Conditions

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

This Afternoon
46°F
Partly Sunny
Partly sunny. High near 46, with temperatures falling to around 40 in the afternoon. Southwest wind around 1 mph.

7-day forecast for West Glacier

WhenTempForecastWindPrecip
This Afternoon 46°F Partly Sunny 1 mph SW 0%
Tonight 27°F Patchy Fog then Mostly Cloudy 0 mph 0%
Wednesday 48°F Patchy Fog then Mostly Sunny 1 mph SW 0%
Wednesday Night 27°F Areas Of Fog 0 mph 4%
Thursday 45°F Chance Rain And Snow 0 to 3 mph SSW 39%
Thursday Night 31°F Chance Light Rain 2 mph SSW 39%
Friday 46°F Chance Light Rain 5 mph SSW 30%
Friday Night 31°F Chance Light Rain 3 to 9 mph SSW 30%
Saturday 49°F Partly Sunny 3 mph SSW 7%
Saturday Night 32°F Mostly Cloudy 2 mph SSE 12%
Sunday 54°F Chance Light Rain 3 mph S 32%
Sunday Night 33°F Chance Light Rain 1 to 5 mph SSW 32%
Monday 50°F Partly Sunny then Slight Chance Light Rain 1 mph SSW 15%
Monday Night 33°F Chance Rain And Snow 2 mph SSE 26%

Forecast source: National Weather Service (api.weather.gov) for West Glacier (48.494, -113.992). Updated through the day.

Growing snapshot for West Glacier

Last spring frost
May 18
First fall frost
Sep 20
Growing season
124 days
Hardiness zone
5a

More local growing data for West Glacier: nearby ZIP 59913 weather · frost dates · planting calendar · Montana frost dates

Nearby towns & communities

All Montana locations ›

Climate data from the nearest NOAA station, W Glacier, Mt (4.8 mi from West Glacier). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.