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Greenbriar Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | | |  |  | |  | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Chance of T-Storm |
| Hi: 89°FHi: 32°C | Lo: 79°FLo: 26°C | Hi: 89°FHi: 32°C | Lo: 79°FLo: 26°C | Hi: 91°FHi: 33°C | Hi: 91°FHi: 33°C Lo: 80°FLo: 27°C | Hi: 91°FHi: 33°C Lo: 80°FLo: 27°C | Lo: 79°FLo: 26°C | Hi: 90°FHi: 32°C | Lo: 80°FLo: 27°C | Hi: 91°FHi: 33°C | Lo: 79°FLo: 26°C |
| POP: 50% | POP: 40% | POP: 20% | POP: 20% | POP: 30% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1246 PM EDT Sat Aug 15 2026 
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Greenbriar Lake Forecast Discussion
Issued: 240 PM EDT Sat Aug 15 2026
Key Messages
1) The heat and humidity continues into next week.
Discussion
... 1) The heat and humidity continues into next week.
KEY MESSAGE 1 DESCRIPTION... Broad upr-level ridge remains in place over the eastern CONUS into Sunday. A favorable position for high heat and humidity locally being on the east side of the ridge, although with a higher likelihood of more cloud cover than today, heat indices should be a bit lower, but enough to warrant another Heat Advisory o...