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Chasm Lake Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
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| Mostly Clear | Sunny | Partly Cloudy | Rain and Snow | Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Showers Likely | Rain/Snow Showers | Rain/Snow Showers | Rain/Snow Showers |
| Lo: 30°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 41°FHi: 5°C | Lo: 35°FLo: 2°C | Hi: 41°FHi: 5°C | Lo: 35°FLo: 2°C | Hi: 40°FHi: 4°C | Lo: 35°FLo: 2°C | Hi: 40°FHi: 4°C | Hi: 35°FHi: 2°C Lo: 35°FLo: 2°C | Hi: 35°FHi: 2°C Lo: 35°FLo: 2°C |
| POP: 20% | POP: 50% | POP: 40% | POP: 80% | POP: 70% | POP: 80% | POP: 80% | POP: 80% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1242 PM MDT Fri Oct 16 2026 
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Issued: 628 PM MDT Fri Oct 16 2026
Key Messages
.KEY MESSAGES, Issued 1127 AM MDT Fri Oct 16 2026...- Isolated showers and thunderstorms return to portions of southern Utah late Sunday morning through the afternoon.
- More widespread precipitation is expected roughly Tuesday on into the weekend. Total water amounts remain around 0.50-1.50", with locally higher amounts to around 2.00-2.50" or so.
Discussion
, Issued 1127 AM MDT Fri Oct 16 2026... Morning water vapor analysis shows ridging extending through the Great Basin while a broad ...