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Walton Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | |  | | | | | | | | |
| Sunny | Mostly Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear | Clear | Clear |
| Hi: 66°FHi: 19°C | Lo: 47°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 62°FHi: 17°C | Hi: 61°FHi: 16°C Lo: 43°FLo: 6°C | Hi: 61°FHi: 16°C Lo: 43°FLo: 6°C | Lo: 42°FLo: 6°C | Hi: 57°FHi: 14°C Lo: 37°FLo: 3°C | Hi: 57°FHi: 14°C Lo: 37°FLo: 3°C | Hi: 63°FHi: 17°C Lo: 40°FLo: 4°C | Hi: 63°FHi: 17°C Lo: 40°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1141 AM PDT Wed Sep 23 2026 
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Issued: 1138 AM PDT Wed Sep 23 2026
Key Messages
1. Minor Heat Risk through Wednesday as temperatures remain around seasonal normal values.
2. Warmer temperatures dominate Thursday with a 30-50% chance of triple digits and a greater than 70% chance of Moderate Heat Risk throughout the Valley.
Discussion
... Weak Ridging moving through the West Coast ahead of a trough expected later this week. In the meanwhile, the interaction of the two features will allow for a good surge of southerly air into California. This surge will result in th...