Seventeenth Street Park, IL Weather Forecast
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Seventeenth Street Park Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Patchy Fog | Patchy Fog | Clearing | Partly Sunny | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Partly Sunny | Partly Cloudy | Chance of T-Storm | Chance of Showers | Mostly Sunny |
| Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 90°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C |
| POP: 30% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 726 PM CDT Thu Aug 27 2026 

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Issued: 551 PM CDT Thu Aug 27 2026
Key Messages
- Beautiful summer weather through Friday.
- Patchy fog overnight, especially in low lying areas and river valleys.
- Warmer this weekend, with a return to an active weather pattern next week and increasing humidity.
Aviation
/00Z TAFS THROUGH 00Z SATURDAY/... Issued at 545 PM CDT Thu Aug 27 2026
Upper level smoke will be present at times, but not expecting any impacts to the terminals. Otherwise, high pressure looks to dominate through the period providing light winds and predominantly VFR c...
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