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Deerfield School, IL Weather Forecast
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| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Partly Cloudy | Mostly Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 521 AM CDT Fri Oct 02 2026 
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Issued: 611 AM CDT Fri Oct 2 2026
Key Messages
- Tonight will be the coldest night of the season so far with lows in low to mid 40s (perhaps a few spots in the upper 30s) away from the Chicago urban heat island.
- Extended period of dry weather with seasonable temperatures though much of next week.
Discussion
... Issued at 214 AM CDT Fri Oct 2 2026
Rain is gradually ending from northwest to southeast early this morning as the main trough responsible for our extended period of rain exits eastward. Precip is now confined to primarily east...