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Foss Park, IL Weather Forecast
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Foss Park Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  |  |  | | |  | | |  |  |
| Chance of T-Storm | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Clearing | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Chance of Showers | Showers Likely |
| Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C |
| POP: 50% | POP: 40% | POP: 30% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 526 AM CDT Fri Oct 09 2026 
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Issued: 614 AM CDT Fri Oct 9 2026
Key Messages
- Scattered showers with isolated thunderstorms today.
- Chance of showers Saturday night/Sunday morning.
- Active pattern mid/late week with showers and possible thunderstorms, then turning colder into next weekend.
Discussion
... Issued at 208 AM CDT Fri Oct 9 2026
An area of showers and thunderstorms extends across parts of IA early this morning. This activity will continue moving east/ southeast through mid morning, though a gradual weakening trend is expected, especially on the eastern/l...