Sinclair, WY Weather Forecast
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Sinclair Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Partly Cloudy | Mostly Sunny | Chance of Showers | Windy | Clearing | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Sunny |
| Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C |
| POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 512 PM MDT Sat Sep 05 2026 

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Issued: 601 PM MDT Sat Sep 5 2026
Key Messages
- Chances for afternoon and evening thunderstorms continue until mid week. Strong gusty winds and brief heavy rainfall are the primary threats.
- A temporary drying trend begins Mid-week and possibly continues through the end of next week.
Aviation
/00Z TAFS THROUGH 00Z MONDAY/... Issued at 601 PM MDT Sat Sep 5 2026
Overall looking at an active evening for terminals east of the Laramie Range. Hi-Res models show thunderstorms continuing through the evening, with heavy rain, strong winds and ...
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