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Carnegie Lake Weather Forecast
| OVERNIGHT | TODAY | TONIGHT | 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 T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Clear | Mostly Sunny | Clear | Partly Cloudy |
| Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C |
| POP: 30% | POP: 30% | POP: 50% | POP: 50% | POP: 70% | POP: 90% | POP: 90% |
POP = Probability of Precipitation.
Weather Outlook Updated: 257 AM EDT Wed Sep 02 2026 
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Issued: 237 AM EDT Wed Sep 2 2026
Key Messages
1) Additional shower and thunderstorm chances at times through late week, with some possibility for severe storms.
2) Heat and humidity build through Thursday. Heat Advisory issued for Wednesday, September 2.
Discussion
... KEY MESSAGE 1... The 500MB ridge over the central CONUS will shift east as northwest flow sets up over the Great Lakes and into the Upper Ohio Valley. This will set up a series of shortwaves to travel southeast over the region the next few days. The timing of the sho...