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Rockvale, Montana

Community in Carbon County, Montana

Air quality

The air at Rockvale

Index 42, good, led by fine particles. Read at 6 AM from its reporting area, Billings (MT), 25 miles off.

42Good
  • Fine particles (PM2.5)42Good-
  • Ozone9Good-

The days ahead

Yesterday measured 32, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 12 AM.

FriSat

Precipitation

What has fallen at Rockvale

None in the last 3 days, to Fri 6 AM. 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 Rockvale, the next 42 hours

Visibility stays 10 miles or more through Sun 12 AM.

FriSat

On the radar over Rockvale, MontanaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Rockvale, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.1 miles away.

measured now3 instruments

Laurel6S8

At an airfield/13.7 mi away/3,470 ft/50 ft below here

temp, wind, gust, visibility, precip, pressure

Rank-

measured daily2 instruments

JolietJOLM8

At a cooperative observer's station/5.3 mi away/3,773 ft/253 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Clarks Fork Of The Yellowstone AT Edgar, drawn

The nearest instrument reporting now, 4.1 mi from Rockvale, Montana. From its report of Oct 16, 2026, 6:30 AM local time: 3 of its 3 sheets.

The column

At 3,451 ft above sea level, 12 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.37 inHg and the temperature at 46.7 F; it reports 38.3 F, 8.4 F colder than standard.

Section from sea level of where Clarks Fork Of The Yellowstone AT Edgar stands in the atmosphere, height to scale: the station 3,451 feet above sea level with 12 per cent of the air below it; the standard atmosphere's pressure there, 26.37 inches of mercury, and temperature, 46.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EDGM8FIG. D WHERE CLARKS FORK OF THE YELLOWSTONE AT EDGAR 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 ATMOSPHERECLARKS FORK OF THE YELLOWSTONE AT EDGAR12 PER CENT OF THE AIR BELOW IT3,451 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 HERE26.37 inHgSTANDARD TEMPERATURE HERE46.7 FTEMPERATURE, REPORTED38.3 FTITLEClarks Fork Of The Yellowstone AT Edgar, the columnSTATION REPORT · DCP EDGM8TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-10-16IDSR-EDGM8-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 35 degrees above the horizon at 45.47 N, and the day is 10 h 45 min long. Level ground there takes 58 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Clarks Fork Of The Yellowstone AT Edgar, angles true: on Oct 16 it stands 35 degrees above the horizon, against 68 at the June solstice, 45 at the equinoxes and 21 at the December solstice; the day is 10 h 45 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EDGM8FIG. E THE SUN AT CLARKS FORK OF THE YELLOWSTONE AT EDGARELEVATION 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 68°EQUINOXES 45°DECEMBER SOLSTICE 21°OCT 16, 35°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 45 MINLEVEL GROUND TAKES 58 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 45.47 N; THE SUN'S DECLINATION -9.1°TITLEClarks Fork Of The Yellowstone AT Edgar, the sunSTATION REPORT · DCP EDGM8TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-10-16IDSR-EDGM8-2DRAWN AS linework on paperSOURCES FB-ENG-007

The instrument

A data collection platform, 3,451 ft above sea level. Its report of Oct 16, 2026, 6:30 AM local time is written on the sensors that made it.

Elevation of a data collection platform, Clarks Fork Of The Yellowstone AT Edgar, each sensor drawn and labelled with what it read: antenna, sending by satellite, last heard oct 16, 2026, 6:30 am local time; air temperature, 38.3 f.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EDGM8FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READ, OCT 16, 2026, 6:30 AM LOCAL TIMEANTENNA, SENDING BY SATELLITELAST HEARD OCT 16, 2026, 6:30 AM LOCAL TIMEAIR TEMPERATURE38.3 FPRECIPITATION GAUGE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEClarks Fork Of The Yellowstone AT Edgar, the instrumentSTATION REPORT · DCP EDGM8TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-10-16IDSR-EDGM8-3DRAWN AS linework on paperSOURCES FB-INS-001

The full report of Clarks Fork Of The Yellowstone AT Edgar, in 3 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Montana

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

Near Rockvale

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

Near Rockvale

River and lake gauges