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Village of River Grove, ILRiver Grove, IL Weather Forecast
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River Grove Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  |  |  | | | | | | |
| Isolated Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Showers | Showers Likely | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy |
| 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: 40% | POP: 20% | POP: 40% | POP: 50% | POP: 80% | POP: 60% | POP: 50% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1006 AM CDT Sat Oct 31 2026 
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Issued: 628 AM CDT Sat Oct 31 2026
Key Messages
- Periods of showers and/or drizzle at times this weekend, with highest rain chances this morning.
- Additional periods of wet weather likely next week, with warmer than average weather early/mid week.
Discussion
... Issued at 246 AM CDT Sat Oct 31 2026
Early morning surface analysis indicates a warm front stretching southeast across the middle and lower Missouri River Valleys, which then becomes nearly stationary across far western Kentucky. Farther to the east, high pressure was centered ...