Storm Station
Bar Nunn, Wyoming
66°
Clear· Feels like 66°·Gentle breeze 8 mph WSW
Partly cloudy, with a low around 47. West northwest wind around 9 mph.
-UV
-Air quality
21%Humidity
6%Cloud

What is measuring near here

The 5 instruments nearest Bar Nunn, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now3 instruments

I25/US87 - F Street HillWY50

Beside a road/3.9 mi away/5,307 ft/44 ft below here

temp, pavement temp, wind, visibility, precip

Rank473of 622

Casper/Natrona INTLCPR

At an airfield/5.9 mi away/5,289 ft/62 ft below here

temp, wind, gust, visibility, precip, pressure

Rank28of 622

Casper Mtn. SnotelCSPW4

A snow pillow on a mountain/13.2 mi away/7,900 ft/2,549 ft above here

temp, wind, gust, humidity, pressure

Rank388of 622

measured daily2 instruments

Bar Nunn 0.1 WSWWY-NT-106

In a volunteer observer's own ground/0.2 mi away/5,351 ft/level with here

precip, snowfall, snow depth

Rank-

Station report

The weather at Casper/Natrona INTL, drawn

The nearest airport reporting now, 5.9 mi from Bar Nunn. From its report of Sep 27, 2026, 1:53 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 11,000 ft; visibility 10 mi or more.

Section of the sky over Casper/Natrona INTL, height above the station to scale: a few clouds cloud with its base at 11,000 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CPRFIG. A THE SKY OVER CASPER/NATRONA INTLSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,500ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTFEW 11,000 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLECasper/Natrona INTL, the skySTATION REPORT · ASOS CPRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-CPR-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

52.0 F with a dew point of 38.0 F, 59 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,200 ft up; the lowest cloud reported is at 11,000 ft.

Chart of the air at Casper/Natrona INTL: temperature 52.0 degrees Fahrenheit and dew point 38.0, 59 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,200 feet above the station, against the lowest cloud reported at 11,000 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CPRFIG. B THE AIR AT CASPER/NATRONA INTLTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00020 F30 F40 F50 F60 FSATURATES 3,200 FT ABOVE THE STATION, AT 34.9 FLOWEST CLOUD REPORTED, FEW 11,000 FTTEMPERATURE 52.0 FDEW POINT 38.0 FSPREAD 14.0 FRELATIVE HUMIDITY 59 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 POINTTITLECasper/Natrona INTL, the airSTATION REPORT · ASOS CPRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-CPR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 10 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Casper/Natrona INTL, north up: blowing from 330 degrees, the north northwest, at 10 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CPRFIG. C THE WIND AT CASPER/NATRONA INTLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 10 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECasper/Natrona INTL, the windSTATION REPORT · ASOS CPRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-CPR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Casper/Natrona INTL, 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 Bar Nunn

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