Old Fountain Trail, WY Weather Forecast
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Old Fountain Trail Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Clearing | Partly Cloudy | Chance of T-Storm |
| Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C |
| POP: 30% | POP: 80% | POP: 60% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 AM MDT Tue Sep 01 2026 

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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 140 AM MDT Tue Sep 1 2026
Key Messages
- A weather system and a plume of monsoonal moisture will bring scattered showers and storms today, most numerous in the morning and in western Wyoming.
- Mainly dry and warm from Wednesday through Friday. Low humidity and a gusty wind will bring elevated to potentially critical fire weather each afternoon.
- The next better chance of showers moves in this weekend, most likely on Sunday with the next plume of monsoonal moisture.
Discussion
... Issued at 134 AM MDT Tue Sep 1 2026
This morning ...
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