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Cassel, California

Community in Shasta County, California

Air quality

The air at Cassel

Index 31, good, led by ozone. Read at 8 PM from its reporting area, Redding (CA), 50 miles off.

31Good
  • Ozone31Good-

The days ahead

Yesterday measured 33, good.

Smoke, the next 45 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 Cassel

None in the last 3 days, to Thu 8 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 Cassel, the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 4 instruments nearest Cassel, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now2 instruments

measured daily2 instruments

Cassel - Hat CreekHATC1

At a cooperative observer's station/1.3 mi away/2,989 ft/227 ft below here

snowfall, snow depth, precip, high, low

Rank-

Fall River Mills 6.1 NWCA-SH-84

In a volunteer observer's own ground/11.2 mi away/3,324 ft/108 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Cassel 2NNE - Hat Creek, drawn

The nearest instrument reporting now, 1.3 mi from Cassel, California. From its report of Oct 15, 2026, 8:30 PM local time: 3 of its 4 sheets.

The air

56.9 F with a dew point of 23.3 F, 27 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 7,500 ft up.

Chart of the air at Cassel 2NNE - Hat Creek: temperature 56.9 degrees Fahrenheit and dew point 23.3, 27 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 7,500 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HATC1FIG. B THE AIR AT CASSEL 2NNE - HAT CREEKTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00010 F20 F30 F40 F50 F60 F70 FSATURATES 7,500 FT ABOVE THE STATION, AT 16.6 FTEMPERATURE 56.9 FDEW POINT 23.3 FSPREAD 33.7 FRELATIVE HUMIDITY 27 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 POINTTITLECassel 2NNE - Hat Creek, the airSTATION REPORT · DCP HATC1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-HATC1-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 2,989 ft above sea level, 10 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.83 inHg and the temperature at 48.3 F; it reports 56.9 F, 8.6 F warmer than standard.

Section from sea level of where Cassel 2NNE - Hat Creek stands in the atmosphere, height to scale: the station 2,989 feet above sea level with 10 per cent of the air below it; the standard atmosphere's pressure there, 26.83 inches of mercury, and temperature, 48.3 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HATC1FIG. D WHERE CASSEL 2NNE - HAT CREEK 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 ATMOSPHERECASSEL 2NNE - HAT CREEK10 PER CENT OF THE AIR BELOW IT2,989 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 HERE26.83 inHgSTANDARD TEMPERATURE HERE48.3 FTEMPERATURE, REPORTED56.9 FTITLECassel 2NNE - Hat Creek, the columnSTATION REPORT · DCP HATC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-HATC1-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 40 degrees above the horizon at 40.93 N, and the day is 10 h 56 min long. Level ground there takes 64 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Cassel 2NNE - Hat Creek, angles true: on Oct 16 it stands 40 degrees above the horizon, against 73 at the June solstice, 49 at the equinoxes and 26 at the December solstice; the day is 10 h 56 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HATC1FIG. E THE SUN AT CASSEL 2NNE - HAT CREEKELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 73°EQUINOXES 49°DECEMBER SOLSTICE 26°OCT 16, 40°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 56 MINLEVEL GROUND TAKES 64 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 40.93 N; THE SUN'S DECLINATION -9.1°TITLECassel 2NNE - Hat Creek, the sunSTATION REPORT · DCP HATC1TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-HATC1-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Cassel 2NNE - Hat Creek, in 4 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 Cassel

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

Near Cassel

River and lake gauges