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Seneca, SD 7-Day Weather Forecast
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Seneca Weather Forecast
Seneca, SD Weather Forecast Date: 1122 PM CDT Thu Sep 17 2026
Weather forecast for Seneca, SD
Tonight Lo: 59°F Lo: 15°C |
Tonight... A slight chance of showers late this evening, then showers with a chance of thunderstorms. Locally heavy rainfall possible. Near steady temperature in the upper 50s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100%. |
Fri Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Friday... Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs in the mid 60s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100%. |
Sat Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Saturday... Cloudy. A slight chance of showers in the afternoon. Highs in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%. |
Sun Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Sunday... Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 40%. |
| Mon Hi: 61°FHi: 16°C Lo: 49°F Lo: 9°C |
Monday... Mostly cloudy. A chance of showers, mainly in the morning. Highs in the lower 60s. Chance of rain 50%. |
Tue Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly cloudy. Lows in the upper 40s. Highs in the upper 60s. |
| Wed Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. A 40% chance of showers. Highs in the upper 60s. |
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