Nelson Lake, AZ Weather Forecast
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Nelson Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy |
| Hi: 90°FHi: 32°C | Lo: 63°FLo: 17°C | Hi: 89°FHi: 32°C | Lo: 63°FLo: 17°C | Hi: 88°FHi: 31°C | Lo: 62°FLo: 17°C | Hi: 87°FHi: 31°C | Lo: 62°FLo: 17°C | Hi: 86°FHi: 30°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C |
| POP: 30% | POP: 10% | POP: 50% | POP: 30% | POP: 50% | POP: 20% | POP: 30% | POP: 10% | POP: 30% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 302 AM MST Wed Aug 19 2026 

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Nelson Lake Forecast Discussion
Issued: 407 AM MST Wed Aug 19 2026
Discussion
...High pressure centered over the state will begin to move off to the east starting today. Hot temperatures under this feature will peak today with some locations approaching record highs. An Extreme Heat Warning is in effect now for areas below 4,000ft in the Grand Canyon through Thursday night, so use caution if you hike below the Grand Canyon Rim. Some monsoon moisture will move in today increasing chances for afternoon thunderstorms mainly over the hi...
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