Weather in Eureka, MT
Updated 2026-08-11 10:00 local time · ZIP codes 59917
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
71°1% rain77°0% rain
83°0% rain86°0% rain88°1% rain88°0% rain89°0% rain88°0% rain87°0% rain85°0% rain82°0% rain77°0% 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 68°F with winds near 3 mph.
71°F, 1% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 12 mph.
Current temperature is 71°F, wind 3 mph, rain chance up to 1%.
UV index is 2.
Eureka weather today
Sunny and 71°F in Eureka, MT. Today's high is 89°F with a 1% rain chance. Winds are around 3 mph with gusts near 3 mph. Relative humidity is 35%, pressure is 29.96 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Eureka
Sunrise is at 06:27 AM and sunset is at 09:02 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 79°F and a low near 44°F. The maximum rain chance is 58%.