Weather in Sun River, MT
Updated 2026-09-26 09:45 local time · ZIP codes 59483
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
51°10% rain55°9% rain57°9% rain59°9% rain
61°3% rain62°9% rain62°9% rain
61°1% rain60°1% rain55°0% rain
50°1% rain47°1% 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 10%).
It feels like 42°F with winds near 20 mph.
55°F, 0% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 31 mph.
Current temperature is 51°F, wind 20 mph, rain chance up to 10%.
UV index is 0.
Local weather characteristics in Sun River
Montana weather varies from relatively dry plains to snowy mountain climates. Cold fronts, strong winds and large day-to-day temperature swings are common.
Sun River is part of the West weather region. The forecast point is near 47.53°N latitude and 111.72°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.
Sun River weather today
Overcast and 51°F in Sun River, MT. Today's high is 62°F with a 3% rain chance. Winds are around 20 mph with gusts near 31 mph. Relative humidity is 42%, pressure is 29.94 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sun River
Sunrise is at 07:19 AM and sunset is at 07:17 PM. Tomorrow's forecast calls for Overcast with a high near 62°F and a low near 40°F. The maximum rain chance is 9%.