Storm Station
Keystone, Indiana
54°
Clear· Feels like 54°·Light air 2 mph NNE
Mostly clear, with a low around 43. North wind around 0 mph.
-UV
-Air quality
86%Humidity
4%Cloud

What is measuring near here

The 4 instruments nearest Keystone, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.1 miles away.

measured now2 instruments

Gas CityIN008

Beside a road/16.9 mi away/891 ft/31 ft above here

temp, pavement temp, wind, visibility, precip

Rank328of 362

PortlandPLD

At an airfield/17.3 mi away/914 ft/54 ft above here

temp, wind, gust, visibility, precip, pressure

Rank265of 362

measured daily2 instruments

Montpelier 3.8 WNWIN-BL-19

In a volunteer observer's own ground/5.1 mi away/870 ft/10 ft above here

precip, snowfall, snow depth

Rank-

Hartford City 4ESEHRRI3

At a cooperative observer's station/10.9 mi away/919 ft/59 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Portland, drawn

The nearest airport reporting now, 17.3 mi from Keystone. From its report of Sep 27, 2026, 4:55 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 7 mi.

Section of the sky over Portland, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PLDFIG. A THE SKY OVER PORTLANDSECTION, 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: 7 MI0510TITLEPortland, the skySTATION REPORT · ASOS PLDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-PLD-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

45.5 F with a dew point of 39.2 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,400 ft up.

Chart of the air at Portland: temperature 45.5 degrees Fahrenheit and dew point 39.2, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,400 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PLDFIG. B THE AIR AT PORTLANDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 F60 FSATURATES 1,400 FT ABOVE THE STATION, AT 37.8 FTEMPERATURE 45.5 FDEW POINT 39.2 FSPREAD 6.3 FRELATIVE HUMIDITY 78 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 POINTTITLEPortland, the airSTATION REPORT · ASOS PLDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-PLD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Portland, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT PLDFIG. C THE WIND AT PORTLANDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEPortland, the windSTATION REPORT · ASOS PLDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-PLD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Hartford City 4ESE (HRRI3), 10.9 miles from here, read 26 Sep, 08:00. measured daily

Elsewhere in Indiana

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

Near Keystone

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