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Chicago Trail Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY |
 |  | | | | |  |  | | | | |
| Clear | Sunny | Clear | Sunny | Clear | Sunny | Chance of Rain | Clearing | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 56°FLo: 13°C | Hi: 90°FHi: 32°C | Lo: 53°FLo: 12°C | Lo: 53°FLo: 12°C | Hi: 80°FHi: 27°C | Lo: 43°FLo: 6°C | Hi: 63°FHi: 17°C | Hi: 66°FHi: 19°C Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C Lo: 36°FLo: 2°C | Hi: 66°FHi: 19°C Lo: 36°FLo: 2°C | |
POP = Probability of Precipitation.
Weather Outlook Updated: 239 PM PDT Tue Oct 06 2026 
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Issued: 137 PM PDT Tue Oct 6 2026
Key Messages
- Warm temperatures will persist through the week with new high temperature records being set over some stations.
- A cold front will move through around Friday evening with a very low chance of rain over the region.
- Cooler weather will continue into the weekend with some cooler than normal overnight lows.
Discussion
...
A broad ridge will remain in place over the west coast this afternoon keeping temperatures well above normal for early October. The end result will be temperatures about 15...