Weather WorldPetro Park, IN Weather Forecast
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Petro Park Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 | |  |  | | |  |  |  |  |  |  |
| Patchy Fog | Patchy Fog | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm |
| Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1143 PM EDT Wed Aug 26 2026 
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Issued: 710 PM EDT Wed Aug 26 2026
Key Messages
- Seasonable temperatures continue Thursday with a very low chance of an afternoon shower (less than 15 percent).
- Becoming warmer and more humid for the weekend.
- There is a Moderate Swim risk for southwest Lower Michigan Lake Michigan beaches today, and again for Thursday for all of southeast Lake Michigan beaches.
Discussion
... Issued at 108 PM EDT Wed Aug 26 2026
Main focus remains on near term as shower and thunderstorm activity should slowly increase this afternoon into early evening...