Weather WorldHalfmoon Lake, WY Weather Forecast
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Halfmoon Lake Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | |  | | |  | | | |
| Chance of T-Storm | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Clearing | Chance of T-Storm | Partly Cloudy | Clearing | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 35°FLo: 2°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C |
| POP: 30% | POP: 60% | POP: 60% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 832 AM MDT Sun Aug 30 2026 
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Issued: 541 AM MDT Sun Aug 30 2026
Key Messages
- Fewer showers and thunderstorms around today then yesterday. The most numerous will be in southern Wyoming where locally heavy rain and flooding remains a possibility.
- Monday looks drier for most, with deeper moisture and increasing chance of showers and storms late in the day and at night, especially in southern and western Wyoming.
- Monsoonal moisture remains over the area through the week. There will be some drier days, but which days will be drier remains somewhat uncertain, espec...