Weather in Saint Marie, MT
Updated 2026-09-26 09:15 local time · ZIP codes 59231
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
56°1% rain58°1% rain59°1% rain61°1% rain63°1% rain
64°9% rain64°9% rain63°9% rain62°9% rain61°9% rain
58°9% rain58°8% 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 9%).
It feels like 42°F with winds near 20 mph.
58°F, 8% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 29 mph.
Current temperature is 56°F, wind 20 mph, rain chance up to 9%.
UV index is 1.
Local weather characteristics in Saint Marie
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 Marie is part of the West weather region. The forecast point is near 48.40°N latitude and 106.53°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 Marie weather today
Sunny and 56°F in Saint Marie, MT. Today's high is 65°F with a 3% rain chance. Winds are around 20 mph with gusts near 28 mph. Relative humidity is 41%, pressure is 29.83 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Saint Marie
Sunrise is at 06:58 AM and sunset is at 06:56 PM. Tomorrow's forecast calls for Overcast with a high near 62°F and a low near 45°F. The maximum rain chance is 8%.