Weather in Saint Ignatius, MT
Updated 2026-09-26 11:30 local time · ZIP codes 59865
Patchy rain nearby
No government weather alerts were returned for this location at the latest update.
Next hours
49°13% rain
51°10% rain54°9% rain56°9% rain56°9% rain
57°1% rain56°1% rain55°0% rain50°1% rain
44°1% rain42°2% rain
40°11% 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 11%).
It feels like 47°F with winds near 4 mph.
56°F, 1% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 18 mph.
Current temperature is 49°F, wind 4 mph, rain chance up to 11%.
UV index is 2.
Local weather characteristics in Saint Ignatius
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 Ignatius is part of the West weather region. The forecast point is near 47.32°N latitude and 114.09°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 Ignatius weather today
Patchy rain nearby and 49°F in Saint Ignatius, MT. Today's high is 57°F with a 17% rain chance. Winds are around 4 mph with gusts near 10 mph. Relative humidity is 50%, pressure is 30.06 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Saint Ignatius
Sunrise is at 07:28 AM and sunset is at 07:26 PM. Tomorrow's forecast calls for Overcast with a high near 57°F and a low near 36°F. The maximum rain chance is 10%.