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Mount Vernon, Indiana

City in Posey County, Indiana

Air quality

The air at Mount Vernon

Index 21, good, led by fine particles. Read at 5 AM from its reporting area, Evansville (IN), 19 miles off.

21Good
  • Fine particles (PM2.5)21Good-
  • Ozone13Good-
  • Coarse particles (PM10)10Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 51, moderate.

Smoke, the next 45 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at Mount Vernon

None in the last 24 hours; 1.15 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
1.15in

Visibility

How far you can see at Mount Vernon, the next 45 hours

Visibility stays 8 miles or more through Sun 1 AM, lowest 8 miles Fri 9 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Mount Vernon, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now4 instruments

EvansvilleEVV

At an airfield/21.9 mi away/384 ft/22 ft below here

temp, wind, gust, visibility, precip, pressure

Rank5of 1,111

EvansvilleIN016

Beside a road/24.6 mi away/392 ft/14 ft below here

temp, pavement temp, wind, visibility, precip

Rank731of 1,111

measured daily2 instruments

Mount VernonMTVI3

At a cooperative observer's station/1.2 mi away/384 ft/22 ft below here

snowfall, snow depth, precip, high, low

Rank629of 1,111

Mount Vernon 5.6 SWIN-PS-11

In a volunteer observer's own ground/5.7 mi away/366 ft/40 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Evansville, drawn

The nearest airport reporting now, 21.9 mi from Mount Vernon, Indiana. From its report of Oct 16, 2026, 4:54 AM local time: 3 of its 6 sheets.

The sky

Broken at 1,500 ft, broken at 4,200 ft, overcast at 8,000 ft; the ceiling is 1,500 ft; visibility 10 mi or more.

Section of the sky over Evansville, height above the station to scale: broken cloud with its base at 1,500 feet, broken cloud with its base at 4,200 feet, overcast cloud with its base at 8,000 feet, the ceiling at 1,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EVVFIG. A THE SKY OVER EVANSVILLESECTION, 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 STATION02,5005,0007,50010,00012,500ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 8,000 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 4,200 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 1,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 1,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEEvansville, the skySTATION REPORT · ASOS EVVTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-EVV-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

60.0 F with a dew point of 55.0 F, 84 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up; the lowest cloud reported is at 1,500 ft.

Chart of the air at Evansville: temperature 60.0 degrees Fahrenheit and dew point 55.0, 84 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station, against the lowest cloud reported at 1,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EVVFIG. B THE AIR AT EVANSVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 F70 FSATURATES 1,200 FT ABOVE THE STATION, AT 53.8 FLOWEST CLOUD REPORTED, BKN 1,500 FTTEMPERATURE 60.0 FDEW POINT 55.0 FSPREAD 5.0 FRELATIVE HUMIDITY 84 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 POINTTITLEEvansville, the airSTATION REPORT · ASOS EVVTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-EVV-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (300 degrees) at 13 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 43 mph.

Plan of the wind at Evansville, north up: blowing from 300 degrees, the west northwest, at 13 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EVVFIG. C THE WIND AT EVANSVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 300°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 13 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEEvansville, the windSTATION REPORT · ASOS EVVTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-EVV-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Mount Vernon (MTVI3), 1.2 miles from here, read 14 Oct, 06:00. measured daily

Elsewhere in Indiana

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

Near Mount Vernon

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

Near Mount Vernon

River and lake gauges