Royal, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Royal, IL in one place.
Showers and thunderstorms. Partly sunny, with a high near 62. West wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Local Weather Overview
This forecast page for Royal, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 16, 2026 6:56 AM CDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for Royal, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 6:56 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Royal
Wednesday looks like the warmest upcoming period in Royal at 74 degrees F.
Sunday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Saturday at about 18 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 6:56 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 7pm, then patchy frost. Mostly clear, with a low around 36. West northwest wind 9 to 15 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.
Patchy frost before 8am. Sunny, with a high near 56.
Mostly clear, with a low around 35.
Sunny, with a high near 62.
Mostly clear, with a low around 48.
Mostly sunny, with a high near 73.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 53.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
62°F |
18 mph
W
|
|
Saturday Night
Apr 18
|
Slight Chance Rain Showers then Patchy Frost
|
36°F |
9 to 15 mph
WNW
|
|
Sunday
Apr 19
|
Patchy Frost then Sunny
|
56°F |
9 to 18 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
35°F |
6 to 14 mph
NNW
|
|
Monday
Apr 20
|
Sunny
|
62°F |
7 to 12 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
48°F |
8 to 12 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
73°F |
12 to 18 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy then Slight Chance Rain Showers
|
53°F |
9 to 14 mph
SW
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
74°F |
9 to 14 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Royal.