Storm Station
Williams Canyon, California
82°
Mostly clear· Feels like 81°·Light breeze 7 mph WSW
Mostly cloudy, with a high near 84. South wind 0 to 10 mph.
-UV
-Air quality
40%Humidity
34%Cloud

What is measuring near here

The 5 instruments nearest Williams Canyon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now3 instruments

Santiago CanyonOSYC1

At a river or reservoir gauge/2.4 mi away/1,686 ft/320 ft above here

temp, wind, gust, humidity, pressure

Rank565of 3,127

CoronaAJO

At an airfield/11.8 mi away/533 ft/833 ft below here

temp, wind, gust, visibility, precip, pressure

Rank136of 3,127

Fallbrook 5 NE53151

At a climate reference station/33.3 mi away/1,140 ft/226 ft below here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Silverado 1.0 ESECA-OR-6

In a volunteer observer's own ground/1.7 mi away/1,394 ft/28 ft above here

precip, snowfall, snow depth

Rank-

Irvine RanchIVRC1

On a farm or research station/4.7 mi away/535 ft/831 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Corona, drawn

The nearest airport reporting now, 11.8 mi from Williams Canyon. From its report of Sep 27, 2026, 5:56 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Corona, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AJOFIG. A THE SKY OVER CORONASECTION, 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 STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLECorona, the skySTATION REPORT · ASOS AJOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-AJO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

65.0 F with a dew point of 63.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up.

Chart of the air at Corona: temperature 65.0 degrees Fahrenheit and dew point 63.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AJOFIG. B THE AIR AT CORONATHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 500 FT ABOVE THE STATION, AT 62.5 FTEMPERATURE AND DEW POINT 65.0 F, 63.0 FRELATIVE HUMIDITY 93 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 POINTTITLECorona, the airSTATION REPORT · ASOS AJOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-AJO-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Corona, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AJOFIG. C THE WIND AT CORONAPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECorona, the windSTATION REPORT · ASOS AJOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-AJO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in California

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

Near Williams Canyon

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