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Jones Reservoir Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Chance of T-Storm | Thunderstorms | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 40°FLo: 4°C | 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: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C |
| POP: 90% | POP: 50% | POP: 50% | POP: 10% | POP: 30% | POP: 40% | POP: 50% | POP: 50% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1245 PM MDT Mon Aug 31 2026 
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Issued: 1254 PM MDT Mon Aug 31 2026
Key Messages
.KEY MESSAGES, Issued 1117 AM MDT Mon Aug 31 2026...- Numerous showers and thunderstorms capable of producing heavy rain this afternoon and evening will result in a heightened risk of flash flooding for the southern two-thirds of Utah, where a Flood Watch for flash flooding is in effect through this evening.
- The threat of flooding is highest across slot canyons, normally dry washes, slick rock areas, recent burn scars as well as areas that have already received very heavy rainfall thi...