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Rough and Ready, California

Community in Nevada County, California

Air quality

The air at Rough and Ready

Index 39, good, led by ozone. Read at 8 PM from its reporting area, Western Nevada County (CA), 4 miles off.

39Good
  • Fine particles (PM2.5)-13.9 mi
  • Ozone39Good35 ppb13.9 mi

The days ahead

Yesterday measured 40, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 5 PM.

ThuFriSat

Precipitation

What has fallen at Rough and Ready

None in the last 3 days, to Thu 7 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 Rough and Ready, the next 46 hours

Visibility stays 10 miles or more through Sat 5 PM.

ThuFriSat

On the radar over Rough and Ready, CaliforniaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Rough and Ready, 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 now4 instruments

measured daily2 instruments

Rough and Ready 1.6 WSWCA-NV-2

In a volunteer observer's own ground/1.7 mi away/1,711 ft/338 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Grass Valley, drawn

The nearest airport reporting now, 7.1 mi from Rough and Ready, California. From its report of Oct 15, 2026, 8:15 PM 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 Grass Valley, 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 GOOFIG. A THE SKY OVER GRASS VALLEYSECTION, 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 MORE0510TITLEGrass Valley, the skySTATION REPORT · ASOS GOOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GOO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

73.4 F with a dew point of 21.2 F, 14 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 11,600 ft up.

Chart of the air at Grass Valley: temperature 73.4 degrees Fahrenheit and dew point 21.2, 14 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 11,600 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GOOFIG. B THE AIR AT GRASS VALLEYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00014,0000 F20 F40 F60 F80 FSATURATES 11,600 FT ABOVE THE STATION, AT 11.1 FTEMPERATURE 73.4 FDEW POINT 21.2 FSPREAD 52.2 FRELATIVE HUMIDITY 14 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 POINTTITLEGrass Valley, the airSTATION REPORT · ASOS GOOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GOO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (80 degrees) at 13 mph, gusting 18 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 22 mph.

Plan of the wind at Grass Valley, north up: blowing from 80 degrees, the east, at 13 miles an hour, gusting 18; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GOOFIG. C THE WIND AT GRASS VALLEYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 80°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGrass Valley, the windSTATION REPORT · ASOS GOOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GOO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Grass Valley No. 2 (GRAC1), 4.3 miles from here, read 15 Oct, 07:30. measured daily

Elsewhere in California

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

Near Rough and Ready

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

Near Rough and Ready

River and lake gauges