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DuPage County Fairgrounds Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Sunny | Mostly Clear | Partly Cloudy |
| Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 856 PM CDT Mon Oct 05 2026 
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Issued: 111 AM CDT Tue Oct 6 2026
Key Messages
- Near to above normal temperatures with predominantly dry conditions are expected through much of this week.
Discussion
... Issued at 111 AM CDT Tue Oct 6 2026
Winds will turn southwesterly with increasing breezes into the afternoon as a fast-moving shortwave zips across southern Ontario. Forecast soundings suggest some occasional 25-30 mph gusts will be possible this afternoon, particularly across far northern Illinois/close to the Wisconsin state line. Dewpoint/RH trends remain a bit t...