Storm Station
Lake Forest, California
85°
Partly cloudy· Feels like 84°·Light breeze 7 mph W
Mostly cloudy, with a low around 69. North wind 0 to 5 mph.
-UV
56Air quality
41%Humidity
39%Cloud

What is measuring near here

The 5 instruments nearest Lake Forest, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now3 instruments

Santiago CanyonOSYC1

At a river or reservoir gauge/3.7 mi away/1,686 ft/1,024 ft above here

temp, wind, gust, humidity, pressure

Rank573of 3,115

Santa Ana/Jon-WayneSNA

At an airfield/11.0 mi away/52 ft/610 ft below here

temp, wind, gust, visibility, precip, pressure

Rank7of 3,115

Fallbrook 5 NE53151

At a climate reference station/32.0 mi away/1,140 ft/478 ft above here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Lake Forest 0.5 ECA-OR-101

In a volunteer observer's own ground/0.2 mi away/692 ft/30 ft above here

precip, snowfall, snow depth

Rank-

Irvine RanchIVRC1

On a farm or research station/5.5 mi away/535 ft/127 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Santa Ana/Jon-Wayne, drawn

The nearest airport reporting now, 11.0 mi from Lake Forest. From its report of Sep 26, 2026, 11:53 PM local time: 3 of its 6 sheets.

The sky

Scattered at 700 ft; visibility 10 mi or more.

Section of the sky over Santa Ana/Jon-Wayne, height above the station to scale: scattered cloud with its base at 700 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SNAFIG. A THE SKY OVER SANTA ANA/JON-WAYNESECTION, 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 SHEETSCT 700 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLESanta Ana/Jon-Wayne, the skySTATION REPORT · ASOS SNATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SNA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

73.0 F with a dew point of 69.0 F, 87 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up; the lowest cloud reported is at 700 ft.

Chart of the air at Santa Ana/Jon-Wayne: temperature 73.0 degrees Fahrenheit and dew point 69.0, 87 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station, against the lowest cloud reported at 700 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SNAFIG. B THE AIR AT SANTA ANA/JON-WAYNETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATES 900 FT ABOVE THE STATION, AT 68.0 FLOWEST CLOUD REPORTED, SCT 700 FTTEMPERATURE 73.0 FDEW POINT 69.0 FSPREAD 4.0 FRELATIVE HUMIDITY 87 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 POINTTITLESanta Ana/Jon-Wayne, the airSTATION REPORT · ASOS SNATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SNA-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 20 mph.

Plan of the wind at Santa Ana/Jon-Wayne, north up: blowing from 190 degrees, the south, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SNAFIG. C THE WIND AT SANTA ANA/JON-WAYNEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLESanta Ana/Jon-Wayne, the windSTATION REPORT · ASOS SNATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SNA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Santa Ana/Jon-Wayne, 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 Lake Forest

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