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Mount Union Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Showers | Showers | Showers | Chance of Showers | Mostly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C |
| POP: 50% | POP: 70% | POP: 90% | POP: 50% | POP: 30% | POP: 50% | POP: 50% | POP: 70% | POP: 70% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1002 AM EDT Sat Sep 19 2026 
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Issued: 808 AM EDT Sat Sep 19 2026
Key Messages
1) Showers with isolated thunderstorms will gradually spread east across the area today, becoming more widespread tonight. Heavy rainfall and localized flooding remain the primary concerns.
2) An unsettled weather pattern lingers through much of next week bringing the potential for multiple rounds of precipitation and cooler temperatures.
Discussion
... KEY MESSAGE 1... This morning, a mid-level ridge over the Gulf Coast is resulting in a near zonal flow over much of the upper US with a...