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Rainbow Lake Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | |  |  |  | | | | | |
| Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Sunny |
| Lo: 29°FLo: -2°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C |
| POP: 40% | POP: 80% | POP: 80% | POP: 60% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 AM MDT Tue Sep 15 2026 
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Issued: 400 AM MDT Tue Sep 15 2026
Key Messages
- A mainly dry and seasonable day today. A few showers are possible in southern Wyoming this evening and tonight.
- Increasing monsoonal moisture increases the chance of showers starting on Wednesday, with Thursday and Friday looking like the most active days.
- Temperatures will remain near to above normal through most of the week, with a cool down likely for the weekend.
Discussion
... Issued at 149 AM MDT Tue Sep 15 2026
The last two nights I used music to describe the weather of the day. ...