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Williamstown Lake, KY Weather Forecast
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Williamstown Lake Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  | | | |  |  |  | | |  |
| Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Clearing | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of Showers |
| Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C |
| POP: 90% | POP: 60% | POP: 20% | POP: 50% | POP: 70% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 210 AM EDT Thu Sep 10 2026 
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Issued: 230 AM EDT Thu Sep 10 2026
Key Messages
1) Thunderstorms expected today, with some risk for heavy rainfall and strong storms.
2) More storms possible Saturday, followed by a warming trend.
Discussion
...
KEY MESSAGE 1) An active weather pattern remains in place across the Ohio Valley, as a stalled frontal boundary provides a focus for repeated rounds of showers and thunderstorms. One round of storms is currently impacting southern Ohio with significantly heavy rainfall. Precipitable water values of over 2 inches are capable of...