Storm Station
Mentone, California
76° 88°/67°
Overcast· Feels like 76°·Light breeze 4 mph NNE
Mostly cloudy, with a low around 68. East wind 0 to 5 mph.
0UV Low
35Air quality
44%Humidity
100%Cloud
Now
12:30 AM
76feels76
now, overcast
Today
Sep 27
8867
UV 7
overcast
Mon
Sep 28
8459
14mph
UV 7
mostly clear day
Tue
Sep 29
9058
18mph
UV 7
clear day
Wed
Sep 30
8960
UV 7
clear day
Thu
Oct 1
9564
UV 7
clear day
Fri
Oct 2
10070
UV 7
clear day
Sat
Oct 3
10075
UV 7
clear day
76°
88°67°
84°59°
90°58°
89°60°
95°64°
100°70°
100°75°

As of 12:30 AM in Mentone, California.

What is measuring near here

The 4 instruments nearest Mentone, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.0 miles away.

measured now2 instruments

San BernardinoSBD

At an airfield/6.6 mi away/1,158 ft/589 ft below here

temp, wind, gust, visibility, precip, pressure

Rank3,090of 3,115

measured daily2 instruments

RedlandsREDC1

At a cooperative observer's station/3.0 mi away/1,413 ft/334 ft below here

snowfall, snow depth, precip, high, low

Rank-

Redlands 1.9 SSWCA-SR-100

In a volunteer observer's own ground/4.4 mi away/1,505 ft/242 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at San Bernardino, drawn

The nearest airport reporting now, 6.6 mi from Mentone. From its report of Sep 27, 2026, 12:20 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 San Bernardino, 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 SBDFIG. A THE SKY OVER SAN BERNARDINOSECTION, 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 MORE0510TITLESan Bernardino, the skySTATION REPORT · ASOS SBDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-SBD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

78.6 F with a dew point of 51.0 F, 38 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,300 ft up.

Chart of the air at San Bernardino: temperature 78.6 degrees Fahrenheit and dew point 51.0, 38 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,300 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT SBDFIG. B THE AIR AT SAN BERNARDINOTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00030 F40 F50 F60 F70 F80 F90 FSATURATES 6,300 FT ABOVE THE STATION, AT 44.9 FTEMPERATURE 78.6 FDEW POINT 51.0 FSPREAD 27.6 FRELATIVE HUMIDITY 38 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 POINTTITLESan Bernardino, the airSTATION REPORT · ASOS SBDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-SBD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at San Bernardino, 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 SBDFIG. C THE WIND AT SAN BERNARDINOPLAN, 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 FORCE73TITLESan Bernardino, the windSTATION REPORT · ASOS SBDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-SBD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of San Bernardino, 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 Mentone

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