Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Royal, Illinois

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Royal, IL
Sunday, May 17 at 2:36 AM
64
°
Mostly Clear
Feels like
66°
Humidity
88%
Wind
5 mph
Sunrise
5:34 AM
Sunset
8:01 PM
Royal, IL
Hour by hour · 24h
61°
9p
57°
10p
54°
11p
53°
12a
52°
1a
52°
2a
53°
3a
52°
4a
54°
5a
54°
12%
6a
51°
65%
7a
49°
88%
8a
51°
51%
9a
53°
12%
10a
54°
11a
58°
12p
61°
1p
64°
2p
68°
3p
71°
4p
73°
5p
73°
6p
72°
7p
69°
8p
L 49°H 73°
Royal, IL
7-day forecast
  1. Today
    May 16
    Rain
    56%
    74°62°
  2. Sunday
    May 17
    Overcast
    16%
    85°61°
  3. Monday
    May 18
    Heavy Rain
    68%
    82°68°
  4. Tuesday
    May 19
    Light Showers
    79%
    80°60°
  5. Wednesday
    May 20
    Overcast
    77%
    67°48°
  6. Thursday
    May 21
    Overcast
    65°45°
  7. Friday
    May 22
    Light Rain
    14%
    58°52°
Royal, IL
Anemometer · 24h winds · from true
NESW
From · True
SW
234° · veering 57°
Direction
SW
234°
Sustained
5
mph
Gust
13
mph
Peak 24h
32
avg 8
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 8 · pk 32 @ 11:00a
−24h−18h−12h−6hnow
Light breeze veering 57° from the sw.
Royal, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
988.3
-1.0 mb in 3h · falling · 29.18 inHg
Now
988.3
mb
3h
-1.0
mb
12h
-1.2
mb
24h
+3.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985990
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Royal, IL
Air quality
45
AQI
Good
PM 2.5
6.2 μg/m³
PM 10
7.0 μg/m³
NO₂
4.8 μg/m³
Ozone
79.0 μg/m³
UV Index
0.0 Low
Royal, IL
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
10:05 AM
Sunrise
5:34 AM
Daylight
14h 27m
Sunset
8:01 PM
Civil dusk
1:33 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Royal, IL
The moon
New Moon
0% illuminated
Moonrise
10:40 AM
Moonset
1:31 AM
In sign
♊︎ Gemini
Royal, IL
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Royal at a glance

  • Today vs. normal: 7°F below the seasonal normal for this latitude
  • Last frost: April 17 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Warm-season window is open

As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in Royal

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.