Storm Station
Shell, Wyoming
56° 74°/48°
Mostly clear· Feels like 56°·Light breeze 7 mph SW
Mostly cloudy, with a low around 51. West wind around 7 mph.
0UV Low
-Air quality
42%Humidity
23%Cloud
Now
2:30 AM
56feels56
now, mostly clear
Today
Sep 27
7448
16mph
overcast
Mon
Sep 28
7355
12%
12mph
overcast
Tue
Sep 29
7555
overcast
Wed
Sep 30
7758
15mph
clear day
Thu
Oct 1
7149
overcast
Fri
Oct 2
8160
overcast
Sat
Oct 3
7555
14%
14mph
overcast
56°
74°48°
73°55°
75°55°
77°58°
71°49°
81°60°
75°55°

As of 2:30 AM in Shell, Wyoming.

What is measuring near here

The 5 instruments nearest Shell, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.2 miles away.

measured now3 instruments

Bone Springs Div SnotelBSDW4

A snow pillow on a mountain/13.9 mi away/9,350 ft/5,119 ft above here

temp, wind, gust, humidity, pressure

Rank580of 622

US14 - Granite PassWY52

Beside a road/16.1 mi away/8,941 ft/4,710 ft above here

temp, pavement temp, wind, visibility, precip

Rank473of 622

measured daily2 instruments

Greybull 12.9 ENEWY-BH-31

In a volunteer observer's own ground/1.2 mi away/4,169 ft/62 ft below here

precip, snowfall, snow depth

Rank-

Shell - COOPSHLW4

At a cooperative observer's station/1.2 mi away/4,301 ft/70 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Greybull/South Big Horn Cnty Apt, drawn

The nearest airport reporting now, 15.0 mi from Shell. From its report of Sep 27, 2026, 1:53 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 10 mi or more.

Section of the sky over Greybull/South Big Horn Cnty Apt, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GEYFIG. A THE SKY OVER GREYBULL/SOUTH BIG HORN CNTY APTSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION05001,0001,5002,0002,5003,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETNO CLOUD DETECTED BELOW 12,000 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEGreybull/South Big Horn Cnty Apt, the skySTATION REPORT · ASOS GEYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-GEY-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

58.0 F with a dew point of 34.0 F, 40 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,400 ft up.

Chart of the air at Greybull/South Big Horn Cnty Apt: temperature 58.0 degrees Fahrenheit and dew point 34.0, 40 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GEYFIG. B THE AIR AT GREYBULL/SOUTH BIG HORN CNTY APTTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00020 F30 F40 F50 F60 F70 FSATURATES 5,400 FT ABOVE THE STATION, AT 28.9 FTEMPERATURE 58.0 FDEW POINT 34.0 FSPREAD 24.0 FRELATIVE HUMIDITY 40 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 POINTTITLEGreybull/South Big Horn Cnty Apt, the airSTATION REPORT · ASOS GEYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-GEY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 18 mph, gusting 28 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 28 mph.

Plan of the wind at Greybull/South Big Horn Cnty Apt, north up: blowing from 290 degrees, the west northwest, at 18 miles an hour, gusting 28; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GEYFIG. C THE WIND AT GREYBULL/SOUTH BIG HORN CNTY APTPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 18 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 28 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGreybull/South Big Horn Cnty Apt, the windSTATION REPORT · ASOS GEYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-GEY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Greybull/South Big Horn Cnty Apt, in 6 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Wyoming

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

Near Shell

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