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Union United Church Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| 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 | Chance of T-Storm | Chance of Showers | Clear | Mostly Sunny | Clear |
| Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 20% | POP: 40% | POP: 40% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 802 AM EDT Tue Sep 01 2026 
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Issued: 700 AM EDT Tue Sep 1 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 mid week
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 shortwaves over the next few days will be the main is...