Weather WorldJay Stream Middle School, IL Weather Forecast
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Jay Stream Middle School Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  | |  |  |  |  | | | |
| Isolated Showers | Isolated Showers | Clear | Partly Cloudy | Showers Likely | Showers | Cloudy | Chance of Showers | Mostly Cloudy | Chance of Showers | Showers | Showers |
| Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C |
| POP: 20% | POP: 20% | POP: 70% | POP: 80% | POP: 20% | POP: 40% | POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 121 AM CDT Thu Oct 29 2026 
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Issued: 208 AM CDT Thu Oct 29 2026
Key Messages
- A cold front will move across the area today accompanied by isolated to scattered showers (20-30% chance at any given spot). A lightning strike cannot be ruled out (~10% chance).
- Periods of showers and a few storms are expected Friday night through early Saturday afternoon (>60% chance areawide). Coverage of showers may taper in time for outdoor Halloween activities.
- Generally mild conditions will continue into the first week of November, through a changing weather pattern will resul...