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Findlay, IL Weather Forecast
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| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  | | | | | | |  | |
| Sunny | Mostly Clear | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Sunny |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 71°FLo: 22°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 437 AM CDT Fri Sep 04 2026 
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Issued: 147 AM CDT Fri Sep 4 2026
Key Messages
- An Extreme Heat Warning remains in effect areawide today and for parts of the area Saturday with dangerous heat index values between 100 and 110 degrees.
- There is a very low chance (10-15%) for an isolated shower or thunderstorm late this afternoon and evening.
Discussion
... Issued at 147 AM CDT Fri Sep 4 2026
Heat will continue to be our main concern over the next week. An Extreme Heat Warning remains in effect areawide through Friday. The Extreme Heat Warning will be maintained for t...