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Shasta, California

Community in Shasta County, California

Air quality

The air at Shasta

Index 31, good, led by ozone. Read at 12 AM from its reporting area, Redding (CA), 6 miles off.

31Good
  • Fine particles (PM2.5)13Good6 mi
  • Ozone31Good14 ppb6 mi

The days ahead

Yesterday measured 33, good.

Smoke, the next 41 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 Shasta

None in the last 3 days, to Thu 11 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 Shasta, the next 41 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Shasta, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

BuckhornCD005

Beside a road/15.2 mi away/2,674 ft/1,725 ft above here

temp, pavement temp, wind, visibility, precip

Rank3,747of 4,465

measured daily2 instruments

Shasta 0.1 SECA-SH-45

In a volunteer observer's own ground/0.6 mi away/1,003 ft/54 ft above here

precip, snowfall, snow depth

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Station report

The weather at Shasta - Mule Mountain, drawn

The nearest instrument reporting now, 1.8 mi from Shasta, California. From its report of Oct 15, 2026, 11:59 PM local time: 3 of its 5 sheets.

The air

76.0 F with a dew point of 21.6 F, 13 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 12,100 ft up.

Chart of the air at Shasta - Mule Mountain: temperature 76.0 degrees Fahrenheit and dew point 21.6, 13 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 12,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MMOC1FIG. B THE AIR AT SHASTA - MULE MOUNTAINTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00014,00016,0000 F20 F40 F60 F80 FSATURATES 12,100 FT ABOVE THE STATION, AT 11.1 FTEMPERATURE 76.0 FDEW POINT 21.6 FSPREAD 54.4 FRELATIVE HUMIDITY 13 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 POINTTITLEShasta - Mule Mountain, the airSTATION REPORT · DCP MMOC1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-MMOC1-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (327 degrees) at 11 mph, gusting 18 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 23 mph.

Plan of the wind at Shasta - Mule Mountain, north up: blowing from 327 degrees, the north northwest, at 11 miles an hour, gusting 18; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MMOC1FIG. C THE WIND AT SHASTA - MULE MOUNTAINPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 327°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 11 MPH4MODERATE BREEZE13GUST, 18 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEShasta - Mule Mountain, the windSTATION REPORT · DCP MMOC1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-MMOC1-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 2,035 ft above sea level, 7 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 27.79 inHg and the temperature at 51.7 F; it reports 76.0 F, 24.3 F warmer than standard.

Section from sea level of where Shasta - Mule Mountain stands in the atmosphere, height to scale: the station 2,035 feet above sea level with 7 per cent of the air below it; the standard atmosphere's pressure there, 27.79 inches of mercury, and temperature, 51.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MMOC1FIG. D WHERE SHASTA - MULE MOUNTAIN 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 ATMOSPHERESHASTA - MULE MOUNTAIN7 PER CENT OF THE AIR BELOW IT2,035 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 HERE27.79 inHgSTANDARD TEMPERATURE HERE51.7 FTEMPERATURE, REPORTED76.0 FTITLEShasta - Mule Mountain, the columnSTATION REPORT · DCP MMOC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-MMOC1-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Shasta - Mule Mountain, 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 Shasta

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

Near Shasta

River and lake gauges