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Lake Alvin, SD Weather Forecast
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Lake Alvin Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | | | | |  |  |  | | |
| Mostly Cloudy | Partly Sunny | Chance of T-Storm | Partly Sunny | Chance of T-Storm | Partly Sunny | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C |
| POP: 40% | POP: 30% | POP: 60% | POP: 50% | POP: 30% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1253 AM CDT Mon Aug 10 2026 
Lake Alvin Radar Loop
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