Weather World
Royalton, IL Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Royalton Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  | | | | | | | | | |
| Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Clear | Clear | Clear | Mostly Clear | Mostly Clear | Partly Cloudy |
| Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 432 PM CDT Sun Oct 18 2026 
Royalton Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Royalton Weather Map
Royalton Quick Facts
Royalton Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 448 PM CDT Sun Oct 18 2026
Key Messages
- Isolated areas of frost cannot be ruled out in low-lying, sheltered locations early Monday morning.
- A gradual warming trend in temperatures is forecast, with near-normal temperatures early this week warming to around 10 degrees above normal by next weekend.
- No precipitation is forecast for the next seven days.
Discussion
... Issued at 105 PM CDT Sun Oct 18 2026
The primary concern with the forecast will the potential for more frost development overnight. Opted to hold off on issuing ano...