Weather in Saint Regis, MT
Updated 2026-09-26 09:00 local time · ZIP codes 59866
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
35°25% rain
43°11% rain
47°11% rain49°10% rain50°10% rain52°10% rain
53°1% rain54°1% rain54°1% rain52°1% rain48°1% rain
41°2% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 24%).
It feels like 32°F with winds near 4 mph.
54°F, 1% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 18 mph.
Current temperature is 35°F, wind 4 mph, rain chance up to 24%.
UV index is 0.
Local weather characteristics in Saint Regis
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Saint Regis is part of the West weather region. The forecast point is near 47.30°N latitude and 115.10°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Saint Regis weather today
Cloudy and 35°F in Saint Regis, MT. Today's high is 54°F with a 18% rain chance. Winds are around 4 mph with gusts near 4 mph. Relative humidity is 90%, pressure is 30.14 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Saint Regis
Sunrise is at 07:32 AM and sunset is at 07:30 PM. Tomorrow's forecast calls for Overcast with a high near 59°F and a low near 32°F. The maximum rain chance is 10%.