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Crestwood School, IL Weather Forecast
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Crestwood School Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Chance of T-Storm | Clearing | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of Showers | Mostly Cloudy |
| Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 216 PM CDT Tue Sep 01 2026 
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Issued: 202 PM CDT Tue Sep 1 2026
Key Messages
- Hot and humid conditions will persist with peak afternoon heat indices around 100 to locally 110F today and again on Wednesday.
- Chances for thunderstorms increase Thursday and Friday as the hot and humid conditions are pushed south of I-80.
- A break in the humidity may materialize this weekend.
Discussion
... Issued at 202 PM CDT Tue Sep 1 2026
The broad ridge of high pressure over the Ohio and Tennessee River Valleys continues to build into the southern Great Lakes this afternoon. Benea...