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Opal Lake Weather Forecast
| OVERNIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | |  | | | | |  |  |  |  |
| Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Partly Cloudy | Clearing | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 59°FHi: 15°C |
| POP: 20% | POP: 60% | POP: 60% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1032 PM MDT Wed Sep 23 2026 
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Issued: 1038 PM MDT Wed Sep 23 2026
Key Messages
- Southwest flow aloft expected through the weekend with showers/thunderstorms possible Friday.
- Upper trough moves through for early next week bringing increasing precipitation chances Sunday night onward.
- Temperatures will be 5-10F above normal through the weekend and then back to seasonal readings early next week.
Discussion
...(This Evening Through Wednesday) Issued at 100 PM MDT Wed Sep 23 2026
18z surface analysis had warm front from weak low over southeast MT into eastern CO. Ahead ...