Storm Station
Sign in

Royal, Iowa

City in Clay County, Iowa

Air quality

The air at Royal

Index 19, good, led by ozone. Read at 11 PM from its reporting area, Sioux City (IA), 66 miles off.

19Good
  • Ozone19Good-

The days ahead

Yesterday measured 14, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Royal

0.87 in in the last 24 hours, and none in the 2 days before, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.87in
Last 3 days
0.87in

Visibility

How far you can see at Royal, the next 44 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Fri 4 AM.

FriSat

On the radar over Royal, IowaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Royal, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.2 miles away.

measured now3 instruments

SpencerSPW

At an airfield/8.2 mi away/1,322 ft/92 ft below here

temp, wind, gust, visibility, precip, pressure

Rank193of 1,060

measured daily2 instruments

Spencer 1 N3SE

At a cooperative observer's station/9.0 mi away/1,309 ft/105 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Spencer, drawn

The nearest airport reporting now, 8.2 mi from Royal, Iowa. From its report of Oct 15, 2026, 11:53 PM local time: 3 of its 6 sheets.

The sky

Broken at 4,000 ft, overcast at 8,500 ft; the ceiling is 4,000 ft; visibility 10 mi or more.

Section of the sky over Spencer, height above the station to scale: broken cloud with its base at 4,000 feet, overcast cloud with its base at 8,500 feet, the ceiling at 4,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPWFIG. A THE SKY OVER SPENCERSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 8,500 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 4,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 4,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLESpencer, the skySTATION REPORT · ASOS SPWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-SPW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

46.0 F with a dew point of 38.0 F, 73 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,800 ft up; the lowest cloud reported is at 4,000 ft.

Chart of the air at Spencer: temperature 46.0 degrees Fahrenheit and dew point 38.0, 73 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,800 feet above the station, against the lowest cloud reported at 4,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPWFIG. B THE AIR AT SPENCERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00030 F40 F50 F60 FSATURATES 1,800 FT ABOVE THE STATION, AT 36.3 FLOWEST CLOUD REPORTED, BKN 4,000 FTTEMPERATURE 46.0 FDEW POINT 38.0 FSPREAD 8.0 FRELATIVE HUMIDITY 73 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLESpencer, the airSTATION REPORT · ASOS SPWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-SPW-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 17 mph, gusting 26 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 35 mph.

Plan of the wind at Spencer, north up: blowing from 290 degrees, the west northwest, at 17 miles an hour, gusting 26; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SPWFIG. C THE WIND AT SPENCERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 26 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESpencer, the windSTATION REPORT · ASOS SPWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-SPW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Spencer, in 6 sheets, each beside the Field Book plates that explain it

-

Snow on the ground

Elsewhere in Iowa

15 places, each with its own forecast and its own instruments.

Near Royal

The nearest places, each with its own forecast and the instruments nearest it.

Near Royal

River and lake gauges