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Chantilly School Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  |  |  | |  | | |  |  |
| Partly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C |
| POP: 40% | POP: 60% | POP: 50% | POP: 30% | POP: 30% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 513 AM CDT Sun Sep 13 2026 
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Issued: 405 AM CDT Sun Sep 13 2026
Key Messages
- Unseasonably hot weather is expected this week with heat index readings at or above 100 degrees in some locations Tuesday into Thursday.
- There are chances (30-70%) of showers and thunderstorms each day that are mainly confined to parts of northeast Missouri and west- central Illinois near a stalled front.
Aviation
/00Z TAFS THROUGH 06Z MONDAY/... Issued at 1056 PM CDT Sat Sep 12 2026
VFR conditions with light winds are expected to continue through the TAF period. Confidence has increase...