Storm Station
McArthur, California
51° 75°/47°
Overcast· Feels like 51°·Light breeze 5 mph WSW
Mostly cloudy. Low around 38, with temperatures rising to around 43 overnight. North northwest wind around 1 mph.
0UV Low
44Air quality
31%Humidity
100%Cloud
Now
12:45 AM
51feels51
now, overcast
Today
Sep 27
7547
14mph
overcast
Mon
Sep 28
7743
overcast
Tue
Sep 29
8244
overcast
Wed
Sep 30
8746
clear day
Thu
Oct 1
8950
15mph
overcast
Fri
Oct 2
8653
overcast
Sat
Oct 3
9252
overcast
51°
75°47°
77°43°
82°44°
87°46°
89°50°
86°53°
92°52°

As of 12:45 AM in McArthur, California.

What is measuring near here

The 5 instruments nearest McArthur, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.2 miles away.

measured now3 instruments

PIT RIVER PH #1 - PG&EPTHC1

At a river or reservoir gauge/6.3 mi away/3,035 ft/280 ft below here

temp, wind, gust, humidity, pressure

Rank470of 3,115

Hatchet MtnCD010

Beside a road/23.1 mi away/4,373 ft/1,058 ft above here

temp, pavement temp, wind, visibility, precip

Rank2,047of 3,115

Ash ValleyS2214

At a soil climate station/37.2 mi away/5,097 ft/1,782 ft above here

temp, humidity, soil temp, soil moisture

Rank-

measured daily2 instruments

Fall River MillsFMLC1

At a cooperative observer's station/3.2 mi away/3,278 ft/37 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/5.9 mi away/3,324 ft/9 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at PIT RIVER PH #1 - PG&E, drawn

The nearest instrument reporting now, 6.3 mi from McArthur. From its report of Sep 26, 2026, 11:30 PM local time: 3 of its 4 sheets.

The air

52.9 F with a dew point of 39.8 F, 61 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,000 ft up.

Chart of the air at PIT RIVER PH #1 - PG&E: temperature 52.9 degrees Fahrenheit and dew point 39.8, 61 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PTHC1FIG. B THE AIR AT PIT RIVER PH #1 - PG&ETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00030 F40 F50 F60 FSATURATES 3,000 FT ABOVE THE STATION, AT 37.0 FTEMPERATURE 52.9 FDEW POINT 39.8 FSPREAD 13.1 FRELATIVE HUMIDITY 61 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 POINTTITLEPIT RIVER PH #1 - PG&E, the airSTATION REPORT · DCP PTHC1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-09-27IDSR-PTHC1-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The column

At 3,035 ft above sea level, 10 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.78 inHg and the temperature at 48.2 F; it reports 52.9 F, 4.7 F warmer than standard.

Section from sea level of where PIT RIVER PH #1 - PG&E stands in the atmosphere, height to scale: the station 3,035 feet above sea level with 10 per cent of the air below it; the standard atmosphere's pressure there, 26.78 inches of mercury, and temperature, 48.2 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PTHC1FIG. D WHERE PIT RIVER PH #1 - PG&E 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 ATMOSPHEREPIT RIVER PH #1 - PG&E10 PER CENT OF THE AIR BELOW IT3,035 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 HERE26.78 inHgSTANDARD TEMPERATURE HERE48.2 FTEMPERATURE, REPORTED52.9 FTITLEPIT RIVER PH #1 - PG&E, the columnSTATION REPORT · DCP PTHC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-09-27IDSR-PTHC1-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Sep 27 the noon sun stands 47 degrees above the horizon at 40.99 N, and the day is 11 h 47 min long. Level ground there takes 73 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at PIT RIVER PH #1 - PG&E, angles true: on Sep 27 it stands 47 degrees above the horizon, against 72 at the June solstice, 49 at the equinoxes and 26 at the December solstice; the day is 11 h 47 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PTHC1FIG. E THE SUN AT PIT RIVER PH #1 - PG&EELEVATION 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 72°EQUINOXES 49°DECEMBER SOLSTICE 26°SEP 27, 47°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 47 MINLEVEL GROUND TAKES 73 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 40.99 N; THE SUN'S DECLINATION -1.9°TITLEPIT RIVER PH #1 - PG&E, the sunSTATION REPORT · DCP PTHC1TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-09-27IDSR-PTHC1-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of PIT RIVER PH #1 - PG&E, in 4 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in California

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

Near McArthur

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