Weather in Eureka, SD
Updated 2026-08-11 10:15 local time · ZIP codes 57437
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
70°22% rain73°25% rain
75°16% rain77°12% rain
79°9% rain82°7% rain82°5% rain82°4% rain82°4% rain80°5% rain78°7% rain
75°7% 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 25%).
It feels like 72°F with winds near 9 mph.
78°F, 7% rain chance and 5 mph wind.
Visibility is around 6 mi; gusts may reach 12 mph.
Current temperature is 70°F, wind 9 mph, rain chance up to 25%.
UV index is 2.
Eureka weather today
Cloudy and 70°F in Eureka, SD. Today's high is 82°F with a 19% rain chance. Winds are around 9 mph with gusts near 10 mph. Relative humidity is 91%, pressure is 29.88 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Eureka
Sunrise is at 06:33 AM and sunset is at 08:53 PM. Tomorrow's forecast calls for Sunny with a high near 93°F and a low near 66°F. The maximum rain chance is 63%.