Weather WorldKoosharem Guard Station Scrub Flat Trail, UT Weather Forecast
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Koosharem Guard Station Scrub Flat Trail Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
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| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Thunderstorms | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C |
| POP: 10% | POP: 20% | POP: 40% | POP: 20% | POP: 70% | POP: 40% | POP: 70% | POP: 40% | POP: 60% | POP: 30% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1244 PM MDT Tue Aug 18 2026 
Koosharem Guard Station Scrub Flat Trail Radar Loop
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Koosharem Guard Station Scrub Flat Trail Weather Map
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Koosharem Guard Station Scrub Flat Trail Forecast Discussion
Issued: 1033 PM MDT Tue Aug 18 2026
Key Messages
- Building high pressure will bring a steady warming trend in temperatures through Thursday as conditions dry.
- Monsoon moisture will move back into Utah and southwest Wyoming late in the week, persisting through at least early next week. This will bring an increased threat of showers and thunderstorms capable of producing flash flooding.
Discussion
...High pressure centered over western AZ tonight through Wednesday will maintain an dry west-northwest flow ov...