Boulder, WY Weather Forecast
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Boulder Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Rain/Snow Showers | Rain/Snow Showers | Chance of T-Storm | Rain/Snow Showers | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 45°FLo: 7°C | Hi: 51°FHi: 11°C | Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C | Lo: 31°FLo: -1°C | Hi: 50°FHi: 10°C | Lo: 29°FLo: -2°C | Hi: 50°FHi: 10°C | Lo: 25°FLo: -4°C | Hi: 51°FHi: 11°C | Lo: 25°FLo: -4°C | Hi: 51°FHi: 11°C |
| POP: 60% | POP: 100% | POP: 90% | POP: 80% | POP: 90% | POP: 80% | POP: 80% | POP: 60% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 202 AM MDT Sun Oct 11 2026 

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Issued: 433 AM MDT Sun Oct 11 2026
Key Messages
- A cool and unsettled day today with periods of showers and isolated thunderstorms, with the most numerous in the afternoon and evening.
- There will be a bit of lull on Monday, with the most numerous showers across southern Wyoming.
- The chance of showers lingers through at least Wednesday and possibly through Friday. At this point, Tuesday night or Wednesday look to have the most numerous showers.
- Snow is possible at the higher elevations. Snow levels remain relatively high through Mon...
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