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Lebanon Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY |
 |  | |  | | | |  |  | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C |
| POP: 50% | POP: 40% | POP: 60% | POP: 50% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 730 PM EDT Tue Sep 01 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
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Issued: 737 PM EDT Tue Sep 1 2026
Key Messages
1) Late summer surge of heat and humidity brings multi-day severe thunderstorm and excessive rainfall threat to kickoff September
Discussion
... KEY MESSAGE 1:
Moderate to strong instability (2-3000 J/kg MLCAPE) analyzed over most of CPA this afternoon with very rich Td`s in the 70-75F range and 30-40kt of deep layer shear increasing from SW to NE. So in other words, a convective environment that is highly favorable to support robust storm organization. That said, nebulous large scale f...