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City of Marion, IAMarion, IA Weather Forecast
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Marion Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY |
 |  |  | | | |  | |  | | |
| Mostly Cloudy | Chance of T-Storm | Showers | Chance of T-Storm | Showers | Chance of Showers | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 75°FHi: 24°C | Lo: 65°FLo: 18°C | Hi: 71°FHi: 22°C | Lo: 65°FLo: 18°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C |
| POP: 90% | POP: 90% | POP: 90% | POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 242 PM CDT Tue Sep 29 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 621 PM CDT Tue Sep 29 2026
Key Messages
- A prolonged period of wet weather will be seen through late week in the form of three rounds of heavy rain. In between each round, spotty showers and potentially drizzle will be seen.
- Given the long duration of the rain, rises on area rivers will occur. The probability of a flood watch being needed at some point over the next 72 hours is around 30 percent.
- A drier and cooler weather pattern will set up this weekend and into early next week.
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/00Z TAFS THROUGH 00Z THURSDAY/... I...