Weather WorldSylvan Lake, SD Weather Forecast
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Sylvan Lake Weather Forecast
| OVERNIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 | |  |  |  | | | | | | | |
| Smoke | Smoke | Chance of T-Storm | Mostly Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny |
| Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1233 AM MDT Tue Aug 04 2026 
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