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Reader Lake Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  | |  | | | | | | |
| Chance of T-Storm | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 63°FLo: 17°C | Hi: 90°FHi: 32°C | Lo: 67°FLo: 19°C | Hi: 90°FHi: 32°C | Lo: 63°FLo: 17°C | Hi: 88°FHi: 31°C | Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 77°FHi: 25°C | Lo: 53°FLo: 12°C | Hi: 77°FHi: 25°C |
| POP: 10% | POP: 10% | POP: 10% | POP: 40% | POP: 20% | POP: 40% | POP: 30% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 837 PM MDT Wed Sep 16 2026 
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Issued: 1051 PM MDT Wed Sep 16 2026
Key Messages
- Continued moist southwest flow will bring waves of showers and thunderstorms tonight and Thursday, with a heavy rainfall/flash flood risk for the mountains, especially the eastern San Juans.
- Greatest coverage of showers/storms then shifts into the eastern mountains and plains Friday and Saturday as flow aloft becomes more westerly.
- Potentially warmer and drier from Sunday into early next week, though shower/thunderstorm chances may linger Sunday over the eastern mountains and plains.