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Riverside Park Marion, IN Weather Forecast
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Riverside Park Marion Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  | |  |  |  |  | | | | |
| Chance of Showers | Clearing | Mostly Clear | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C |
| POP: 50% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1113 PM EDT Wed Aug 19 2026 
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Riverside Park Marion Forecast Discussion
Issued: 205 AM EDT Thu Aug 20 2026
Key Messages
- Chances for rain showers tonight into Thursday morning, especially south of US 30. Heavy rain and minor flooding is possible in the flood watch area.
- Mostly dry Thursday with only a slight chance (20 percent) for isolated showers and storms in the late afternoon and early evening. Severe weather is not expected.
- Hazardous swimming conditions are possible for Lake MI beaches along Berrien Co, MI and La Porte County, IN this weekend, especially on Sunday. ...