Weather WorldRoyal, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Royal Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  | |  | | |  | |  | |
| Sunny | Partly Cloudy | Chance of Showers | Mostly Cloudy | Chance of Showers | Showers | Showers | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Sunny |
| Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C |
| POP: 20% | POP: 50% | POP: 100% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 252 PM CDT Tue Sep 29 2026 
Royal Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Royal Weather Map
Royal Quick Facts
Royal Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 131 PM CDT Tue Sep 29 2026
Key Messages
- Unseasonably warm temperatures in the 80s stick around through midweek, especially near and south of Interstate 72.
- Rain chances increase late tonight into Wednesday over west-central Illinois. Widespread heavy rain is then expected Thursday through Friday with a 50-90% chance of exceeding 1 inch north of Interstate 70.
- Drier, autumn-like conditions move in late Friday into Saturday, dropping weekend highs into the upper 60s to low 70s.
Discussion
... Issued at 131 PM CDT Tue Sep 29 20...