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Summit Lake Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  |  | | | | | | |
| Mostly Cloudy | Chance of T-Storm | Mostly Clear | Windy | Clearing | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of T-Storm |
| Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C |
| POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 AM MDT Tue Sep 01 2026 
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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 ...