Weather WorldLake Park Des Plaines, IL Weather Forecast
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Lake Park Des Plaines Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  | | |  | | | | | |
| Clearing | Sunny | Partly Cloudy | Chance of T-Storm | Clearing | Chance of T-Storm | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 65°FHi: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C |
| POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 451 AM CDT Thu Aug 20 2026 
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Lake Park Des Plaines Forecast Discussion
Issued: 332 AM CDT Thu Aug 20 2026
Key Messages
- Less humid today with temperatures in the mid 70s to lower 80s.
- Showers and thunderstorm chances return Friday and Friday night with the greatest coverage in the late afternoon and evening. Primary hazards include strong winds and hail in addition to localized downpours.
Discussion
... Issued at 332 AM CDT Thu Aug 20 2026
Showers and thunderstorms have pushed southeast of the area early this morning with surface high pressure beginning to expand across the ...