Deadmans Lake, SD Weather Forecast
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Deadmans Lake Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Mostly Sunny | Chance of T-Storm | Partly Cloudy | Showers Likely | Rain Showers | Snow Showers | Snow Showers | Chance of Rain | Clearing | Partly Cloudy | Clearing | Mostly Clear |
| Hi: 81°FHi: 27°C | Lo: 39°FLo: 4°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 45°FHi: 7°C | Lo: 30°FLo: -1°C | Hi: 41°FHi: 5°C | Lo: 30°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C |
| POP: 20% | POP: 70% | POP: 90% | POP: 90% | POP: 80% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 222 PM MDT Fri Oct 23 2026 

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Issued: 225 PM MDT Fri Oct 23 2026
Key Messages
- Unseasonably warm temperatures last through today.
- Critical fire weather expected over portions of northeastern Wyoming and northwestern South Dakota today.
- Strong southwest wind gusts over 60 mph in Campbell Count will last through the afternoon before diminishing this evening.
- Later tonight, gusty northwest winds wind gusts around 40 to 50 mph are likely as a front tracks through.
- Much cooler this weekend with chances for light rain and possibly snow for parts of the western CWA Sa...
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