Weather WorldUpper Rock Lake, UT Weather Forecast
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Upper Rock Lake Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | WEDNESDAY |
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| Sunny | Mostly Clear | Sunny | Thunderstorms | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Chance of T-Storm |
| Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C |
| POP: 30% | POP: 60% | POP: 80% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1244 AM MDT Thu Sep 03 2026 
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Issued: 1102 PM MDT Wed Sep 2 2026
Key Messages
.KEY MESSAGES, Issued 1001 PM MDT Wed Sep 2 2026...- Gusty southwest winds are expected each afternoon and evening across Utah and southwest Wyoming through the end of the work week. With minimum relative humidities approaching critical values in pockets of western Utah, this will result in some locally critical fire weather conditions.
- An influx of tropical moisture over the holiday weekend will increase the risk of flash flooding into early next week, particularly on Sunday across c...