St. Regis, MT Weather & Growing Conditions
Tonight
30°F
Mostly Cloudy
Mostly cloudy, with a low around 30. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 30°F | Mostly Cloudy | 0 mph | 0% |
| Wednesday | 50°F | Mostly Sunny | 1 mph SSW | 0% |
| Wednesday Night | 30°F | Partly Cloudy | 2 mph SSW | 10% |
| Thursday | 43°F | Chance Light Rain | 3 mph SW | 27% |
| Thursday Night | 32°F | Mostly Cloudy | 3 mph SW | 6% |
| Friday | 48°F | Partly Sunny then Slight Chance Light Rain | 1 to 5 mph SSW | 19% |
| Friday Night | 35°F | Slight Chance Light Rain | 2 to 7 mph SW | 19% |
| Saturday | 55°F | Partly Sunny | 2 mph SSW | 4% |
| Saturday Night | 37°F | Mostly Cloudy then Chance Light Rain | 1 to 5 mph S | 43% |
| Sunday | 54°F | Chance Light Rain | 5 to 9 mph SW | 43% |
| Sunday Night | 35°F | Slight Chance Light Rain then Slight Chance Rain And Snow | 1 to 6 mph SW | 18% |
| Monday | 51°F | Slight Chance Rain And Snow | 1 mph SSE | 22% |
| Monday Night | 36°F | Slight Chance Light Rain | 3 mph SSW | 22% |
| Tuesday | 53°F | Chance Light Rain | 2 mph SW | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Regis, MT
Growing season
101 days
Hardiness zone
6a
Explore more for St. Regis, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Saint Regis 1 Ne, Mt (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.