Weather WorldMount Morris Lake, NY Weather Forecast
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Mount Morris Lake Weather Forecast
| REST OF TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Chance of T-Storm | Chance of Showers | Chance of Showers | Patchy Fog | Patchy Fog | Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | |
| POP: 70% | POP: 40% | POP: 30% | POP: 70% | POP: 70% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1000 AM EDT Wed Aug 19 2026 
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Mount Morris Lake Forecast Discussion
Issued: 519 AM EDT Wed Aug 19 2026
Key Messages
1) A round of showers and scattered thunderstorms today.
2) Periodic showers and scattered thunderstorms this weekend.
Discussion
... Key Message 1... A round of showers and scattered thunderstorms today.
A wavy cold front currently draped across the central Great Lakes will push eastward today in tandem with a supporting shortwave impulse...with these features consequently crossing our area from west to east. Coupled with some weak to modest instability...l...