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Colusa, California

City in Colusa County, California

Air quality

The air at Colusa

Index 36, good, led by fine particles. Read at 9 PM from its reporting area, Gridley (CA), 15 miles off.

36Good
  • Fine particles (PM2.5)36Good-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 43, good.

Smoke, the next 44 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 Colusa

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 Colusa, the next 44 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

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

What is measuring near here

The 5 instruments nearest Colusa, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.5 miles away.

measured now3 instruments

Marysville/Yuba CountyMYV

At an airfield/24.6 mi away/56 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

Colusa 2 SSWCSAC1

At a cooperative observer's station/1.5 mi away/46 ft/11 ft below here

snowfall, snow depth, precip, high, low

Rank-

Meridian 0.7 WCA-CL-3

In a volunteer observer's own ground/6.0 mi away/51 ft/6 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Sacramento National Wildlife Refuge, drawn

The nearest instrument reporting now, 17.4 mi from Colusa, California. From its report of Oct 15, 2026, 9:29 PM local time: 3 of its 3 sheets.

The column

At 89 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.83 inHg and the temperature at 58.7 F; it reports 72.0 F, 13.3 F warmer than standard.

Section from sea level of where Sacramento National Wildlife Refuge stands in the atmosphere, height to scale: the station 89 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.83 inches of mercury, and temperature, 58.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NWRC1FIG. D WHERE SACRAMENTO NATIONAL WILDLIFE REFUGE 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 ATMOSPHERESACRAMENTO NATIONAL WILDLIFE REFUGE0 PER CENT OF THE AIR BELOW IT89 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 HERE29.83 inHgSTANDARD TEMPERATURE HERE58.7 FTEMPERATURE, REPORTED72.0 FTITLESacramento National Wildlife Refuge, the columnSTATION REPORT · DCP NWRC1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-10-16IDSR-NWRC1-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 41 degrees above the horizon at 39.42 N, and the day is 10 h 59 min long. Level ground there takes 66 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Sacramento National Wildlife Refuge, angles true: on Oct 16 it stands 41 degrees above the horizon, against 74 at the June solstice, 51 at the equinoxes and 27 at the December solstice; the day is 10 h 59 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NWRC1FIG. E THE SUN AT SACRAMENTO NATIONAL WILDLIFE REFUGEELEVATION 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 74°EQUINOXES 51°DECEMBER SOLSTICE 27°OCT 16, 41°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 59 MINLEVEL GROUND TAKES 66 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.42 N; THE SUN'S DECLINATION -9.1°TITLESacramento National Wildlife Refuge, the sunSTATION REPORT · DCP NWRC1TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-10-16IDSR-NWRC1-2DRAWN AS linework on paperSOURCES FB-ENG-007

The instrument

A data collection platform, 89 ft above sea level. Its report of Oct 15, 2026, 9:29 PM local time is written on the sensors that made it.

Elevation of a data collection platform, Sacramento National Wildlife Refuge, each sensor drawn and labelled with what it read: antenna, sending by satellite, last heard oct 15, 2026, 9:29 pm local time; air temperature, 72.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT NWRC1FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READ, OCT 15, 2026, 9:29 PM LOCAL TIMEANTENNA, SENDING BY SATELLITELAST HEARD OCT 15, 2026, 9:29 PM LOCAL TIMEAIR TEMPERATURE72.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLESacramento National Wildlife Refuge, the instrumentSTATION REPORT · DCP NWRC1TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-10-16IDSR-NWRC1-3DRAWN AS linework on paperSOURCES FB-INS-001

The full report of Sacramento National Wildlife Refuge, in 3 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 Colusa

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

Near Colusa

River and lake gauges