Storm Station
Mokelumne Hill, California
67°
Mostly clear· Feels like 67°·Calm 1 mph NNW
Mostly cloudy. Low around 55, with temperatures rising to around 58 overnight. Wind around 0 mph.
-UV
-Air quality
37%Humidity
33%Cloud

What is measuring near here

The 5 instruments nearest Mokelumne Hill, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.3 miles away.

measured now3 instruments

Argonaut DamANUC1

At a dam/5.9 mi away/1,518 ft/55 ft above here

temp, wind, gust, humidity, pressure

Rank118of 3,118

JacksonJAQ

At an airfield/7.0 mi away/1,679 ft/216 ft above here

temp, wind, gust, visibility, precip, pressure

Rank2,781of 3,118

99NB at Dillard RoadCD044

Beside a road/34.2 mi away/43 ft/1,420 ft below here

temp, pavement temp, wind, visibility, precip

Rank2,532of 3,118

measured daily2 instruments

Jackson 0.8 SSECA-AM-11

In a volunteer observer's own ground/4.3 mi away/1,355 ft/108 ft below here

precip, snowfall, snow depth

Rank-

San AndreasADSC1

At a cooperative observer's station/7.1 mi away/1,030 ft/433 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Jackson, drawn

The nearest airport reporting now, 7.0 mi from Mokelumne Hill. From its report of Sep 27, 2026, 2:55 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 Jackson, 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 JAQFIG. A THE SKY OVER JACKSONSECTION, 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 MORE0510TITLEJackson, the skySTATION REPORT · ASOS JAQTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-JAQ-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

64.4 F with a dew point of 37.0 F, 36 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 6,200 ft up.

Chart of the air at Jackson: temperature 64.4 degrees Fahrenheit and dew point 37.0, 36 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 6,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JAQFIG. B THE AIR AT JACKSONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,0008,00020 F30 F40 F50 F60 F70 F80 FSATURATES 6,200 FT ABOVE THE STATION, AT 31.2 FTEMPERATURE 64.4 FDEW POINT 37.0 FSPREAD 27.4 FRELATIVE HUMIDITY 36 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 POINTTITLEJackson, the airSTATION REPORT · ASOS JAQTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-JAQ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Jackson, north up: blowing from 320 degrees, the northwest, at 3 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 JAQFIG. C THE WIND AT JACKSONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEJackson, the windSTATION REPORT · ASOS JAQTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-JAQ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at San Andreas (ADSC1), 7.1 miles from here, read 26 Sep, 07:00. measured daily

Elsewhere in California

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

Near Mokelumne Hill

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