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Lake Oniad Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
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| Chance of Showers | Partly Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Mostly Sunny | Chance of Showers | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C |
| POP: 90% | POP: 40% | POP: 50% | POP: 70% | POP: 70% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 830 PM EDT Thu Aug 20 2026 
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Issued: 732 PM EDT Thu Aug 20 2026
Key Messages
1) Moderate to heavy showers may produce ponding of water on roadways, poor drainage flooding or an isolated flash flood along and north of I-84 in southern Ulster, Dutchess and Litchfield Counties this afternoon into tonight.
2) Additional rounds of showers with isolated to scattered t-storms this weekend due to multiple disturbances associated with an upper level trough. Locally heavy rainfall or isolated flash flooding may occur in locations that see r...