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Chillicothe Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  |  | |  |  | | |  | | |
| Clearing | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C |
| POP: 20% | POP: 20% | POP: 50% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 405 PM EDT Thu Sep 03 2026 
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Issued: 256 PM EDT Thu Sep 3 2026
Key Messages
1) Hot conditions continue into Friday.
2) Strong to severe storms will be possible this evening and again throughout Friday and Saturday. Any storms that develop may produce locally heavy rainfall at times.
Discussion
... KEY MESSAGE 1) A dominating ridge is once again providing very warm temperatures across the area with heat indices reaching over 100 degrees this afternoon.
A trough over southeast Canada will begin to suppress the ridge to the southwest tomorrow but only slightly. The...