Northside Park, IL Weather Forecast
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Northside Park Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Clear | Sunny | Partly Cloudy | Clearing | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1226 AM CDT Mon Oct 19 2026 

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Issued: 1226 AM CDT Mon Oct 19 2026
Key Messages
- An extended period of dry and above to much above average temperatures through the next 7 days.
Discussion
... Issued at 1209 PM CDT Sun Oct 18 2026
Breezy southwesterly winds will abate around sunset early this evening. Another chilly night is anticipated as clear skies and light winds allow temperatures to drop into the mid-to-upper 30s and low 40s overnight, outside of the warmer Chicago metro area. Patchy frost may develop towards morning in the coldest locations; however, another F...
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