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City of Wheaton, ILWheaton, IL Weather Forecast
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| LATE THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  |  | |  | | | | | |
| Sunny | Clear | Partly Cloudy | Chance of Showers | Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Showers | Showers | Chance of Showers |
| Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 59°FLo: 15°C |
| POP: 50% | POP: 80% | POP: 20% | POP: 20% | POP: 20% | POP: 40% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 341 PM CDT Thu Oct 29 2026 
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Issued: 633 PM CDT Thu Oct 29 2026
Key Messages
- Periods of showers and/or drizzle are expected at times Friday through this weekend (greatest chances/coverage expected Friday night through Saturday morning).
- Additional periods of wet weather are likely next week.
Discussion
... Issued at 201 PM CDT Thu Oct 29 2026
A cold front is tracking southeastward across our forecast area at the time of this writing. Some pre-frontal convection that developed and affected areas near and east of I-57 a little while ago has since moved off to our ...