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O'Brien Field, IL 7-Day Weather Forecast
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O'Brien Field Weather Forecast
O'Brien Field, IL Weather Forecast Date: 222 AM CDT Fri Sep 11 2026
Weather forecast for O'Brien Field, IL
Tonight Lo: 60°F Lo: 16°C |
Tonight... Mostly cloudy. Near steady temperature in the lower 60s. Northeast winds around 5 mph. |
Fri Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Friday... Mostly cloudy. Highs in the lower 80s. East winds around 5 mph. |
Sat Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Saturday... Mostly sunny. Highs in the upper 80s. Southwest winds around 5 mph. |
Sun Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Sunday... Partly cloudy. Highs in the upper 80s. Lows in the lower 60s. |
| Mon Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Monday... Mostly clear. Highs around 90. Lows in the upper 60s. |
| Tue Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Tuesday... Mostly clear. Highs around 90. Lows in the upper 60s. |
| Tue Hi: 90°FHi: 32°C Lo: 65°F Lo: 18°C |
Tuesday... Mostly clear. Highs around 90. Lows in the upper 60s. |
Wed Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Wednesday... Mostly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 60%. |
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