Storm Station
Letts, Indiana
56°
Clear· Feels like 56°·Light air 4 mph NE
Mostly clear. Low around 46, with temperatures rising to around 48 overnight. North northeast wind around 2 mph.
-UV
-Air quality
67%Humidity
7%Cloud

What is measuring near here

The 5 instruments nearest Letts, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.9 miles away.

measured now3 instruments

GreensburgIN012

Beside a road/9.1 mi away/950 ft/65 ft above here

temp, pavement temp, wind, visibility, precip

Rank301of 362

Columbus/BalkalaBAK

At an airfield/17.6 mi away/656 ft/229 ft below here

temp, wind, gust, visibility, precip, pressure

Rank359of 362

Big OaksBIGI3

At a river or reservoir gauge/24.0 mi away/899 ft/14 ft above here

temp, wind, gust, humidity, pressure

Rank70of 362

measured daily2 instruments

(KB9CIY)Greensburg 6.0 SWIN-DC-6

In a volunteer observer's own ground/3.9 mi away/878 ft/7 ft below here

precip, snowfall, snow depth

Rank-

North Vernon 2 ESENVNI3

At a cooperative observer's station/16.3 mi away/738 ft/147 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Greensburg, drawn

The nearest instrument reporting now, 9.1 mi from Letts. From its report of Sep 27, 2026, 4:47 AM local time: 3 of its 5 sheets.

The air

46.9 F with a dew point of 43.8 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up.

Chart of the air at Greensburg: temperature 46.9 degrees Fahrenheit and dew point 43.8, 89 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IN012FIG. B THE AIR AT GREENSBURGTHE 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 700 FT ABOVE THE STATION, AT 43.1 FTEMPERATURE 46.9 FDEW POINT 43.8 FSPREAD 3.1 FRELATIVE HUMIDITY 89 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 POINTTITLEGreensburg, the airSTATION REPORT · RWIS IN012TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-IN012-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (0 degrees) at 1 mph, gusting 2 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 6 mph.

Plan of the wind at Greensburg, north up: blowing from 0 degrees, the north, at 1 miles an hour, gusting 2; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IN012FIG. C THE WIND AT GREENSBURGPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 0°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGreensburg, the windSTATION REPORT · RWIS IN012TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-IN012-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 950 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.91 inHg and the temperature at 55.6 F; it reports 46.9 F, 8.7 F colder than standard.

Section from sea level of where Greensburg stands in the atmosphere, height to scale: the station 950 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 28.91 inches of mercury, and temperature, 55.6 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IN012FIG. D WHERE GREENSBURG 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 ATMOSPHEREGREENSBURG3 PER CENT OF THE AIR BELOW IT950 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 HERE28.91 inHgSTANDARD TEMPERATURE HERE55.6 FTEMPERATURE, REPORTED46.9 FTITLEGreensburg, the columnSTATION REPORT · RWIS IN012TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-IN012-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Greensburg, in 5 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at North Vernon 2 ESE (NVNI3), 16.3 miles from here, read 25 Sep, 08:00. measured daily

Elsewhere in Indiana

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

Near Letts

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