Weather World
Lake Alvin, SD 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lake Alvin Weather Forecast
Lake Alvin, SD Weather Forecast Date: 604 AM CDT Thu Aug 13 2026
Weather forecast for Lake Alvin, SD
Today Hi: 75°FHi: 24°C Lo: 65°F Lo: 18°C |
Today... Mostly cloudy. Showers with a chance of thunderstorms this morning. Not as warm with highs in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90%. |
| Fri Hi: 75°FHi: 24°C Lo: 65°F Lo: 18°C |
Friday... Cloudy with a chance of showers. A chance of thunderstorms, mainly in the morning. Humid with highs in the mid 70s. East winds 10 to 15 mph. Chance of rain 50%. |
| Sat Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Saturday... Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 70s. Northwest winds around 5 mph. Chance of rain 50%. |
Sun Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Sunday... Mostly sunny. Highs in the mid 70s. |
| Mon Hi: 75°FHi: 24°C Lo: 60°F Lo: 16°C |
Monday... Mostly sunny. Highs in the mid 70s. |
| Tue Hi: 79°FHi: 26°C Lo: 60°F Lo: 16°C |
Tuesday... Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40%. |
Wed Hi: 75°FHi: 24°C |
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. |
Lake Alvin Radar Loop
Use the map search tool if you want to place a location marker on the radar map...