Swift Bear Lake, SD Weather Forecast
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Swift Bear Lake Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Clearing | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Clearing | Mostly Sunny | Chance of T-Storm | Clearing |
| Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C |
| POP: 20% | POP: 40% | POP: 20% | POP: 30% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 948 PM CDT Fri Aug 28 2026 

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Issued: 533 PM MDT Fri Aug 28 2026
Key Messages
- Chances for isolated showers and thunderstorms daily through the weekend; a few storms could be severe.
- Daily, low end rain chances last into next week.
- Warming up for the weekend with above normal temps lasting into next week.
Discussion
...(This Evening Through Friday) Issued at 110 PM MDT Fri Aug 28 2026
Latest satellite imagery shows moisture and clouds streaming into the area from the southwest, this gives hints as to what can be expected for the rest of today and this weekend. An ...
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