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Putnam County, INPutnam County, IN Weather Forecast
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Putnam County Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  | | |  | | | | | | |
| Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 70°FLo: 21°C |
| POP: 20% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 624 PM EDT Thu Sep 03 2026 
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Issued: 720 PM EDT Thu Sep 3 2026
Key Messages
- Heat Advisory in effect for all of central Indiana through late Friday with peak afternoon heat index values up to 108 degrees
- Isolated to scattered thunderstorms will be possible at times Friday and Saturday
Discussion
(This evening through Thursday)... Issued at 252 PM EDT Thu Sep 3 2026
Ridging will continue today across central Indiana, but a shortwave will develop on the periphery and push just to the north and east. A weak outflow boundary is currently draped across NE IL and NW I...