Weather in Saint Regis, MT
Updated 2026-08-11 11:45 local time · ZIP codes 59866
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
82°0% rain88°0% rain89°0% rain89°0% rain89°0% rain88°0% rain87°0% rain85°0% rain82°0% rain
77°0% rain73°1% rain54°1% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 1%).
It feels like 79°F with winds near 2 mph.
82°F, 0% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 10 mph.
Current temperature is 82°F, wind 2 mph, rain chance up to 1%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Saint Regis weather today
Sunny and 82°F in Saint Regis, MT. Today's high is 89°F with a 0% rain chance. Winds are around 2 mph with gusts near 2 mph. Relative humidity is 24%, pressure is 29.95 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Saint Regis
Sunrise is at 06:32 AM and sunset is at 08:59 PM. Tomorrow's forecast calls for Sunny with a high near 90°F and a low near 48°F. The maximum rain chance is 36%.