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Sleepy Hollow, Wyoming

Community in Campbell County, Wyoming

Air quality

The air at Sleepy Hollow

Index 32, good, led by ozone. Read at 11 PM from its reporting area, Gillette (WY), 5 miles off.

32Good
  • Fine particles (PM2.5)23Good-
  • Ozone32Good-
  • Coarse particles (PM10)6Good-

The days ahead

Yesterday measured 18, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Sleepy Hollow

0.01 in in the last 24 hours, and none in the 2 days before, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.01in
Last 3 days
0.01in

Visibility

How far you can see at Sleepy Hollow, the next 44 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

On the radar over Sleepy Hollow, WyomingReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Sleepy Hollow, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

Moorcroft 3SMCTW4

At a river or reservoir gauge/24.7 mi away/4,462 ft/128 ft below here

temp, wind, gust, humidity, pressure

Rank-

measured daily2 instruments

Gillette 4.5 SEWY-CM-36

In a volunteer observer's own ground/1.7 mi away/4,681 ft/91 ft above here

precip, snowfall, snow depth

Rank-

Gillette 4SEGILW4

At a cooperative observer's station/3.8 mi away/4,528 ft/62 ft below here

snowfall, snow depth, precip, high, low

Rank19of 971

Station report

The weather at Citizen station EW7001, drawn

The nearest instrument reporting now, 0.3 mi from Sleepy Hollow, Wyoming. From its report of undefined: 3 of its 4 sheets.

The wind

From the west northwest (296 degrees) at 1 mph, gusting 7 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Citizen station EW7001, north up: blowing from 296 degrees, the west northwest, at 1 miles an hour, gusting 7; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW7001FIG. C THE WIND AT CITIZEN STATION EW7001PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 296°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE4GUST, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station EW7001, the windSTATION REPORT · CWOP EW7001TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-EW7001-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 4,581 ft above sea level, 15 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 25.29 inHg and the temperature at 42.7 F; it reports 32.0 F, 10.7 F colder than standard.

Section from sea level of where Citizen station EW7001 stands in the atmosphere, height to scale: the station 4,581 feet above sea level with 15 per cent of the air below it; the standard atmosphere's pressure there, 25.29 inches of mercury, and temperature, 42.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW7001FIG. D WHERE CITIZEN STATION EW7001 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 ATMOSPHERECITIZEN STATION EW700115 PER CENT OF THE AIR BELOW IT4,581 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 HERE25.29 inHgSTANDARD TEMPERATURE HERE42.7 FTEMPERATURE, REPORTED32.0 FTITLECitizen station EW7001, the columnSTATION REPORT · CWOP EW7001TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-EW7001-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Oct 16 the noon sun stands 37 degrees above the horizon at 44.23 N, and the day is 10 h 48 min long. Level ground there takes 60 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station EW7001, angles true: on Oct 16 it stands 37 degrees above the horizon, against 69 at the June solstice, 46 at the equinoxes and 22 at the December solstice; the day is 10 h 48 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW7001FIG. E THE SUN AT CITIZEN STATION EW7001ELEVATION 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 69°EQUINOXES 46°DECEMBER SOLSTICE 22°OCT 16, 37°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 48 MINLEVEL GROUND TAKES 60 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 44.23 N; THE SUN'S DECLINATION -9.1°TITLECitizen station EW7001, the sunSTATION REPORT · CWOP EW7001TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-EW7001-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Citizen station EW7001, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Gillette 4SE (GILW4), 3.8 miles from here, read 15 Oct, 16:30. measured daily

Elsewhere in Wyoming

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

Near Sleepy Hollow

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

Near Sleepy Hollow

River and lake gauges