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Bear Valley, California

Community in Mariposa County, California

Air quality

The air at Bear Valley

Index 143, unhealthy for sensitive groups, led by fine particles. Read at 10 PM from its reporting area, Yosemite National Park (CA), 25 miles off.

143Unhealthy for sensitive groups
  • Fine particles (PM2.5)143Unhealthy for sensitive groups-
  • Ozone42Good47 ppb16 mi

The days ahead

Yesterday measured 60, moderate.

Smoke, the next 43 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Bear Valley

None in the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Bear Valley, the next 43 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

On the radar over Bear Valley, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest Bear Valley, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.0 miles away.

measured now5 instruments

measured daily2 instruments

Exchequer DamEXQC1

At a dam/7.5 mi away/827 ft/1,304 ft below here

snowfall, snow depth, precip, high, low

Rank-

Mariposa 3.7 NNWCA-MP-1

In a volunteer observer's own ground/8.1 mi away/2,942 ft/811 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Dogtown - NF Merced River, drawn

The nearest instrument reporting now, 7.0 mi from Bear Valley, California. From its report of Oct 15, 2026, 10:15 PM local time: 3 of its 5 sheets.

The air

52.0 F with a dew point of 33.9 F, 50 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,100 ft up.

Chart of the air at Dogtown - NF Merced River: temperature 52.0 degrees Fahrenheit and dew point 33.9, 50 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NMXC1FIG. B THE AIR AT DOGTOWN - NF MERCED RIVERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00020 F30 F40 F50 F60 FSATURATES 4,100 FT ABOVE THE STATION, AT 30.1 FTEMPERATURE 52.0 FDEW POINT 33.9 FSPREAD 18.1 FRELATIVE HUMIDITY 50 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 POINTTITLEDogtown - NF Merced River, the airSTATION REPORT · DCP NMXC1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-NMXC1-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northeast (52 degrees) at 1 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Dogtown - NF Merced River, north up: blowing from 52 degrees, the northeast, at 1 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NMXC1FIG. C THE WIND AT DOGTOWN - NF MERCED RIVERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 52°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDogtown - NF Merced River, the windSTATION REPORT · DCP NMXC1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-NMXC1-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,355 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.48 inHg and the temperature at 54.2 F; it reports 52.0 F, 2.2 F colder than standard.

Section from sea level of where Dogtown - NF Merced River stands in the atmosphere, height to scale: the station 1,355 feet above sea level with 5 per cent of the air below it; the standard atmosphere's pressure there, 28.48 inches of mercury, and temperature, 54.2 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NMXC1FIG. D WHERE DOGTOWN - NF MERCED RIVER STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREDOGTOWN - NF MERCED RIVER5 PER CENT OF THE AIR BELOW IT1,355 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.48 inHgSTANDARD TEMPERATURE HERE54.2 FTEMPERATURE, REPORTED52.0 FTITLEDogtown - NF Merced River, the columnSTATION REPORT · DCP NMXC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-NMXC1-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Dogtown - NF Merced River, in 5 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in California

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

Near Bear Valley

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

Near Bear Valley

River and lake gauges