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Clay School Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  | | | |  |  | | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C |
| POP: 50% | POP: 50% | POP: 20% | POP: 20% | POP: 20% | POP: 40% | POP: 20% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 127 AM CDT Wed Sep 16 2026 
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Issued: 1059 PM CDT Tue Sep 15 2026
Key Messages
- A late season heat wave with peak heat index values of 100-105F+ will continue through at least Friday along/south of I-70.
- Widespread showers and thunderstorms are forecast tonight, mainly across northeast Missouri and west-central Illinois where locally heavy rainfall is possible. A few may also be strong to severe with damaging winds the main threat through this evening.
Aviation
/00Z TAFS THROUGH 06Z THURSDAY/... Issued at 1058 PM CDT Tue Sep 15 2026
There is a cold front that conti...