Weather WorldPosey Lake, SD 7-Day Weather Forecast
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Posey Lake Weather Forecast
Posey Lake, SD Weather Forecast Date: 632 AM MDT Mon Oct 05 2026
Weather forecast for Posey Lake, SD
Today Hi: 85°FHi: 29°C Lo: 51°F Lo: 11°C |
Today... Sunny. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 30 mph. |
| Tue Hi: 81°FHi: 27°C Lo: 49°F Lo: 9°C |
Tuesday... Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph. |
| Wed Hi: 71°FHi: 22°C Lo: 50°F Lo: 10°C |
Wednesday... Sunny. Highs in the lower 70s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. |
| Thu Hi: 70°FHi: 21°C Lo: 50°F Lo: 10°C |
Thursday... Mostly sunny. Highs around 70. |
| Fri Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Friday... Mostly sunny. Highs in the mid 70s. |
| Sat Hi: 81°FHi: 27°C Lo: 51°F Lo: 11°C |
Saturday... Mostly sunny and breezy. Highs in the lower 80s. |
Sun Hi: 61°FHi: 16°C |
Sunday... Partly cloudy. A slight chance of rain in the afternoon. Breezy, cooler with highs in the lower 60s. Chance of rain 20%. |
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