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Marion County Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Patchy Fog | 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 | Showers | Showers | Showers Likely | Chance of Showers |
| Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°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 |
| POP: 50% | POP: 90% | POP: 90% | POP: 50% | POP: 80% | POP: 80% | POP: 70% | POP: 70% | POP: 60% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 502 AM EDT Sat Sep 19 2026 
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Issued: 214 AM EDT Sat Sep 19 2026
Key Messages
1) Rain chances return Sunday into early next week. Rain may be heavy at times, and could lead to localized flooding and/or river rises.
Discussion
... KEY MESSAGE 1... Another period of extended wet weather is forecast to enter the area Saturday night and into Sunday morning. Ascent will mostly be due to a shortwave trough and ridge breakdown in a transition to more quasi-zonal flow for the beginning of next week.
The first round will arrive Saturday night into Sunday with the bulk of ...