Eureka, SD 7-Day Weather Forecast
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Eureka Weather Forecast


Eureka, SD Weather Forecast Date: 1112 AM CDT Mon Sep 07 2026
Weather forecast for Eureka, SD
| Today Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Rest of Today... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Breezy with highs in the mid 80s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 50%. |
| Tue Hi: 80°FHi: 27°C Lo: 55°F Lo: 13°C |
Tuesday... Mostly sunny and breezy and less humid with highs around 80. West winds 15 to 25 mph with gusts up to 35 mph. |
| Wed Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly sunny. Highs in the mid 70s. Northwest winds 15 to 20 mph with gusts up to 30 mph. |
| Thu Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Thursday... Sunny. Highs in the mid 80s. |
| Fri Hi: 81°FHi: 27°C Lo: 50°F Lo: 10°C |
Friday... Mostly clear. Lows in the upper 50s. Highs in the lower 80s. |
| Sat Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Saturday... Partly sunny. Not as warm with highs in the upper 60s. |
| Sun Hi: 65°FHi: 18°C |
Sunday... Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 60s. Chance of rain 40%. |
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