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Holt Summit School Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
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| Clearing | Chance of T-Storm | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Hi: 90°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 607 AM CDT Wed Sep 16 2026 
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Issued: 654 AM CDT Wed Sep 16 2026
Key Messages
- A late season heat wave continues through at least Friday with peak heat index values of 100-105F+ along/south of I-70.
- Widespread showers and thunderstorms will be limited to northeast MO/west-central IL through this morning with scattered showers and sub-severe thunderstorms possible (20-30%) across the area this afternoon/evening.
Aviation
/12Z TAFS THROUGH 18Z THURSDAY/... Issued at 654 AM CDT Wed Sep 16 2026
A weak cold front has slowly moved south of all local terminals and is now...