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Palmyra, Indiana

Town in Harrison County, Indiana

Air quality

The air at Palmyra

Index 58, moderate, led by fine particles. Read at 2 AM from its reporting area, Louisville (KY), 29 miles off.

58Moderate
  • Fine particles (PM2.5)58Moderate19.7 mi
  • Ozone33Good25 ppb19.7 mi
  • Coarse particles (PM10)44Good19.7 mi
  • Sulfur dioxide0Good0.8 ppb19.7 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 60, moderate.

Smoke, the next 43 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Palmyra

None in the last 24 hours; 0.37 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.37in

Visibility

How far you can see at Palmyra, the next 43 hours

Visibility stays 3 miles or more through Sat 8 PM, lowest 3 miles Fri 10 AM.

FriSat

On the radar over Palmyra, IndianaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Palmyra, 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 now4 instruments

CorydonIN040

Beside a road/11.5 mi away/679 ft/100 ft below here

temp, pavement temp, wind, visibility, precip

Rank731of 1,111

JeffersonJVY

At an airfield/20.3 mi away/468 ft/311 ft below here

temp, wind, gust, visibility, precip, pressure

Rank894of 1,111

measured daily2 instruments

CorydonCOYI3

At a cooperative observer's station/12.9 mi away/587 ft/192 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Jefferson, drawn

The nearest airport reporting now, 20.3 mi from Palmyra, Indiana. From its report of Oct 16, 2026, 2:10 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 Jefferson, 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 JVYFIG. A THE SKY OVER JEFFERSONSECTION, 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 MORE0510TITLEJefferson, the skySTATION REPORT · ASOS JVYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-JVY-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

71.6 F with a dew point of 64.4 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up.

Chart of the air at Jefferson: temperature 71.6 degrees Fahrenheit and dew point 64.4, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT JVYFIG. B THE AIR AT JEFFERSONTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00050 F60 F70 F80 FSATURATES 1,700 FT ABOVE THE STATION, AT 62.6 FTEMPERATURE 71.6 FDEW POINT 64.4 FSPREAD 7.2 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 POINTTITLEJefferson, the airSTATION REPORT · ASOS JVYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-JVY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the south (190 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Jefferson, north up: blowing from 190 degrees, the south, 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 JVYFIG. C THE WIND AT JEFFERSONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 190°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEJefferson, the windSTATION REPORT · ASOS JVYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-JVY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Indiana

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

Near Palmyra

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

Near Palmyra

River and lake gauges