Fitzsimmons Park, IL Weather Forecast
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Fitzsimmons Park Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Chance of Showers | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Clearing | Sunny | Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 59°FHi: 15°C | Lo: 49°FLo: 9°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
| POP: 40% | POP: 100% | POP: 80% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 816 AM CDT Wed Oct 14 2026 

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Issued: 618 AM CDT Wed Oct 14 2026
Key Messages
- Today will start out drab with mostly cloudy skies. A few showers or areas of drizzle cannot be ruled out through the afternoon.
- A fall storm system will move through the area Thursday and Friday bringing periods of rain showers and gusty northwesterly winds (the latter primarily on Friday).
- Frosty and locally freezing conditions are favored away from Lake Michigan Friday night into Saturday.
- After the brief period of chilly weather, there will be a warming trend this weekend into ea...
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