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Westhaven Park, IL Weather Forecast
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Westhaven Park Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
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| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C |
| POP: 90% | POP: 20% | POP: 30% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 911 PM CDT Tue Aug 18 2026 
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Westhaven Park Forecast Discussion
Issued: 646 PM CDT Tue Aug 18 2026
Key Messages
- Scattered thunderstorms are possible this evening (50% chance), some of which may be capable of damaging wind gusts and heavy downpours which may lead to localized flooding.
Discussion
... Issued at 130 PM CDT Tue Aug 18 2026
An area of showers, with a few embedded storms, have been developing across parts of northwestern IL and far southern WI over the past couple hours. It appears this activity is tied to a corridor of warm air advection just in advance o...