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

Royal, Iowa Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Royal weather forecast — hour by hour, 7-day outlook, NOAA radar

Royal, IA
Sunday, July 5 at 12:28 AM
69
°
Clear
Feels like
71°
Humidity
92%
Wind
10 mph
Sunrise
12:48 AM
Sunset
4:03 PM
Royal, IA
Hour by hour · 24h
24-Hour ForecastRoyal, IA: 24-hour forecast. Temperatures range from 64 to 88 degrees Fahrenheit.
L 64°H 88°
Royal, IA
7-day forecast
  1. Today
    Jul 5
    Overcast
    19%
    88°64°
  2. Monday
    Jul 6
    Mostly Clear
    89°67°+1°
  3. Tuesday
    Jul 7
    Thunderstorm
    11%
    90°69°+1°
  4. Wednesday
    Jul 8
    Drizzle
    39%
    86°66°-4°
  5. Thursday
    Jul 9
    Overcast
    19%
    75°61°-11°
  6. Friday
    Jul 10
    Light Drizzle
    85°60°+10°
  7. Saturday
    Jul 11
    Light Drizzle
    78°62°-7°
Royal, IA
Anemometer · 24h winds · from true
NESW
From · True
NNE
023° · backing 26°
Direction
NNE
023°
Sustained
10
mph
Gust
19
mph
Peak 24h
19
avg 5
Beaufort · 3 · GENTLE 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 5 · pk 19
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 175SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 26° from the nne.
Royal, IA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
965.4
+1.0 mb in 3h · rising · 28.51 inHg
Now
965.4
mb
3h
+1.0
mb
12h
-1.0
mb
24h
+1.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 964967
955960965970975-21h-18h-15h-12h-9h-6h-3h-24hNOW966.8963.8965.3
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Royal, IA
Air quality
41
AQI
Good
-3 in 6h

AQI 41 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.5 µg/m³, PM10 at 6.3 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
5.5μg/m³
PM 10Good
6μg/m³
NO₂Good
7μg/m³
OzoneModerate
61μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 5.5 µg/m³, PM10 at 6.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.87
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Royal, IA
Sky cover · visibility · 24h
Cloud cover
6%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
26.9mi
UNLIMITED
62 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
05:28 UTC · Royal, IA · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
05:28 UTC · Royal, IA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Royal, IA
Satellite · infrared · animated
Royal, IA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Royal, IA
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:13 AM
Sunrise
12:48 AM
Daylight
15h 15m
Sunset
4:03 PM
Civil dusk
9:39 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Royal, IA
The moon
Waning Gibbous
75% illuminated
Moonrise
11:42 PM
Moonset
11:33 AM
In sign
♓︎ Pisces
Royal, IA
Microseason
Jul 1–5

Cicadas claim the afternoon

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Royal at a glance

  • Today vs. normal: 69°F — typical for the season
  • Last frost: May 4 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 51357

15-Day Forecast — Royal

  1. Sun88°64°19%
  2. Mon89°67°2%
  3. Tue90°69°11%
  4. Wed86°66°39%
  5. Thu75°61°19%
  6. Fri85°60°4%
  7. Sat78°62°7%
  8. Sun82°60°4%
  9. Mon90°65°4%
  10. Tue91°69°5%
  11. Wed84°67°8%
  12. Thu103°73°13%
  13. Fri93°73°25%
  14. Sat95°64°29%
  15. Sun83°60°13%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Royal

SPC includes Royal in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWNONENo severe risk
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Royal

  • 51357

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.