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Village of River Forest, ILRiver Forest, IL Weather Forecast
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River Forest Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Isolated Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Chance of Showers | Chance of Showers | Showers | Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Chance of Showers |
| Hi: 61°FHi: 16°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C |
| POP: 20% | POP: 30% | POP: 30% | POP: 20% | POP: 50% | POP: 70% | POP: 70% | POP: 50% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 351 PM CDT Sat Oct 31 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 637 PM CDT Sat Oct 31 2026
Key Messages
- Periods of showers and/or drizzle at times through the weekend.
- Additional periods of wet weather likely next week, with warmer than average weather early/mid week.
Discussion
... Issued at 115 PM CDT Sat Oct 31 2026
Through the rest of this afternoon and into the evening, a diffuse zone of cyclonic shear vorticity (currently across central Illinois) will shift northward across the area. Some high-based convective cloud structures are already evident with this feature within zone of loc...