Eureka, SD 7-Day Weather Forecast
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Eureka Weather Forecast


Eureka, SD Weather Forecast Date: 1251 AM CDT Sun Oct 25 2026
Weather forecast for Eureka, SD
| Tonight Lo: 30°F Lo: -1°C |
Tonight... Partly cloudy and cooler. Near steady temperature in the lower 30s. North winds around 5 mph. |
| Sun Hi: 49°FHi: 9°C Lo: 30°F Lo: -1°C |
Sunday... Mostly cloudy. A slight chance of rain in the afternoon. Highs in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain 20%. |
| Mon Hi: 39°FHi: 4°C Lo: 29°F Lo: -2°C |
Monday... Cloudy. A slight chance of rain in the morning, then rain with a slight chance of snow in the afternoon. Little or no snow accumulation. Cooler with highs in the upper 30s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 90%. |
| Tue Hi: 49°FHi: 9°C Lo: 35°F Lo: 2°C |
Tuesday... Mostly cloudy. Not as cool with highs in the upper 40s. |
| Wed Hi: 55°FHi: 13°C Lo: 31°F Lo: -1°C |
Wednesday... Partly cloudy. Highs in the mid 50s. Lows in the lower 30s. |
| Thu Hi: 55°FHi: 13°C Lo: 31°F Lo: -1°C |
Thursday... Partly cloudy. Highs in the mid 50s. Lows in the lower 30s. |
| Thu Hi: 55°FHi: 13°C Lo: 39°F Lo: 4°C |
Thursday... Partly cloudy. Highs in the mid 50s. Lows in the lower 30s. |
| Fri Hi: 55°FHi: 13°C Lo: 39°F Lo: 4°C |
Friday... Mostly cloudy in the morning, then partly sunny with a slight chance of rain in the afternoon. Highs in the mid 50s. Chance of rain 20%. |
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