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Eugene Field Park Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  | |  |  | |  |  | | |
| Chance of Showers | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 89°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 89°FHi: 32°C | Lo: 75°FLo: 24°C |
| POP: 20% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 121 PM CDT Thu Aug 27 2026 
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Issued: 615 PM CDT Thu Aug 27 2026
Key Messages
- Increasing heat and humidity expected next week with periodic shower and storm chances.
Discussion
... Issued at 147 PM CDT Thu Aug 27 2026
Surface high pressure over the Great Lakes will maintain tranquil weather through Friday. Light winds overnight may lead to a brief period of patchy ground fog early Friday morning, primarily in interior northern Illinois. Otherwise, afternoon conditions on Friday remain comfortable with partly cloudy skies and high temperatures in the lower 80s.
A s...