Columbia Falls, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Columbia Falls, a city in Flathead County, Montana.
Today
77°F
Sunny
Sunny, with a high near 77. Southwest wind around 3 mph.
7-day forecast for Columbia Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Sunny | 3 mph SW | 1% |
| Tonight | 47°F | Mostly Clear | 0 to 3 mph SSE | 0% |
| Wednesday | 83°F | Sunny | 1 to 6 mph S | 0% |
| Wednesday Night | 50°F | Mostly Clear | 0 to 6 mph SW | 0% |
| Thursday | 89°F | Sunny | 0 to 6 mph SE | 0% |
| Thursday Night | 53°F | Clear | 0 to 6 mph NW | 0% |
| Friday | 91°F | Sunny | 1 to 7 mph SSE | 0% |
| Friday Night | 54°F | Clear | 1 to 13 mph SW | 0% |
| Saturday | 89°F | Sunny | 1 to 12 mph S | 0% |
| Saturday Night | 54°F | Mostly Clear | 0 to 10 mph WNW | 0% |
| Sunday | 86°F | Sunny | 0 to 5 mph SW | 0% |
| Sunday Night | 52°F | Mostly Clear | 1 to 5 mph NNW | 0% |
| Monday | 84°F | Sunny | 3 mph S | 1% |
| Monday Night | 52°F | Mostly Clear | 3 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Columbia Falls (48.371, -114.192). Updated through the day.
Growing snapshot for Columbia Falls
Last spring frost
May 16
First fall frost
Sep 25
Growing season
129 days
Hardiness zone
5a
More local growing data for Columbia Falls: nearby ZIP 59912 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Batavia
Bigfork
Coram
Essex
Evergreen
Forest Hill Village
Helena Flats
Hungry Horse
Kalispell
Kila
Lakeside
Little Bitterroot Lake
Marion
Martin City
Olney
Pinnacle
Polebridge
Rhodes
Snowslip
Somers
West Glacier
Whitefish
Woods Bay
Climate data from the nearest NOAA station, Whitefish, Mt (9 mi from Columbia Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.