Storm Station
Thermopolis, Wyoming
77°
Partly cloudy· Feels like 77°·Light air 4 mph SSW
Partly cloudy, with a low around 48. South southwest wind around 5 mph.
-UV
-Air quality
25%Humidity
39%Cloud

What is measuring near here

The 4 instruments nearest Thermopolis, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.7 miles away.

measured now2 instruments

ThermopolisHSG

At an airfield/9.9 mi away/4,873 ft/482 ft above here

temp, wind, gust, visibility, precip, pressure

Rank4of 622

Boysen Reservoir Wx STN - DcpBOYW4

At a river or reservoir gauge/16.7 mi away/4,780 ft/389 ft above here

temp, wind, gust, humidity, pressure

Rank148of 622

measured daily2 instruments

Thermopolis 0.5 ESEWY-HS-12

In a volunteer observer's own ground/0.7 mi away/4,333 ft/58 ft below here

precip, snowfall, snow depth

Rank-

Thermopolis - COOPTHMW4

At a cooperative observer's station/0.8 mi away/4,324 ft/67 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Thermopolis, drawn

The nearest airport reporting now, 9.9 mi from Thermopolis. From its report of Sep 27, 2026, 2:15 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 Thermopolis, 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 HSGFIG. A THE SKY OVER THERMOPOLISSECTION, 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 MORE0510TITLEThermopolis, the skySTATION REPORT · ASOS HSGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-HSG-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

56.0 F with a dew point of 34.0 F, 43 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 5,000 ft up.

Chart of the air at Thermopolis: temperature 56.0 degrees Fahrenheit and dew point 34.0, 43 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 5,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HSGFIG. B THE AIR AT THERMOPOLISTHE 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 5,000 FT ABOVE THE STATION, AT 29.4 FTEMPERATURE 56.0 FDEW POINT 34.0 FSPREAD 22.0 FRELATIVE HUMIDITY 43 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 POINTTITLEThermopolis, the airSTATION REPORT · ASOS HSGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-HSG-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Thermopolis, north up: blowing from 330 degrees, the north northwest, at 7 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HSGFIG. C THE WIND AT THERMOPOLISPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEThermopolis, the windSTATION REPORT · ASOS HSGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-HSG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Thermopolis, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Thermopolis - COOP (THMW4), 0.8 miles from here, read 25 Sep, 16:00. measured daily

Elsewhere in Wyoming

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

Near Thermopolis

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