Weather WorldSt. Marie, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
St. Marie Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
 |  |  |  | | |  |  | | | | |
| Mostly Cloudy | Chance of Rain | Chance of Rain | Cloudy | Rain | Rain | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 31°FLo: -1°C | Hi: 50°FHi: 10°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Hi: 51°FHi: 11°C Lo: 30°FLo: -1°C | Hi: 51°FHi: 11°C Lo: 30°FLo: -1°C | Lo: 31°FLo: -1°C | Hi: 50°FHi: 10°C Lo: 31°FLo: -1°C | Hi: 50°FHi: 10°C Lo: 31°FLo: -1°C | Hi: 50°FHi: 10°C Lo: 31°FLo: -1°C |
| POP: 50% | POP: 50% | POP: 80% |
POP = Probability of Precipitation.
Weather Outlook Updated: 401 PM MDT Fri Oct 30 2026 
St. Marie Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
St. Marie Weather Map
St. Marie Quick Facts
St. Marie Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 200 PM MDT Fri Oct 30 2026
Key Messages
- Patchy fog still lingers this afternoon and will continue through at least tomorrow morning.
- Light rain will begin tomorrow afternoon lasting into into trick or treating hours.
- Precipitation chances will increase on Monday as a frontal system moves across the region.
Discussion
... Light rain will slowly move northeast into the region tomorrow afternoon and linger overnight as it pushes east. Most locations look to have a damp and chilly Halloween evening. Fog will continue to impact p...