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Weston, IL Weather Forecast
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Weston Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of Showers |
| Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C |
| POP: 70% | POP: 60% | POP: 50% | POP: 50% | POP: 30% | POP: 40% | POP: 40% | POP: 70% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 142 AM CDT Wed Sep 16 2026 
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Issued: 109 AM CDT Wed Sep 16 2026
Key Messages
- Heavy Rain & Localized Flash Flooding: Repeated rainfall along a stalled front presents a localized flash flood threat early this morning through midday today north of the boundary. Localized pockets of rainfall totaling 3 to 7 inches are possible, primarily across central Illinois along and north of I-72.
- Isolated Strong Storms: Isolated strong thunderstorms may produce localized damaging winds this afternoon and evening near the I-72 corridor, with a low-end threat continuing Thurs...