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Williamsport, Indiana

Town in Warren County, Indiana

Air quality

The air at Williamsport

Index 0, good, led by fine particles. Read at 4 AM from its reporting area, Lafayette (IN), 25 miles off.

0Good
  • Fine particles (PM2.5)0Good-

The days ahead

Yesterday measured 22, good.

Smoke, the next 40 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Williamsport

0.33 in in the last 24 hours, 0.52 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.33in
Last 3 days
0.52in

Visibility

How far you can see at Williamsport, the next 40 hours

Visibility stays 9 miles or more through Sat 8 PM, lowest 9 miles Fri 5 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Williamsport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

CovingtonIN041

Beside a road/13.7 mi away/560 ft/78 ft below here

temp, pavement temp, wind, visibility, precip

Rank731of 1,111

LafayetteLAF

At an airfield/20.9 mi away/597 ft/41 ft below here

temp, wind, gust, visibility, precip, pressure

Rank249of 1,111

measured daily2 instruments

Williamsport 0.7 NIN-WR-1

In a volunteer observer's own ground/0.6 mi away/669 ft/31 ft above here

precip, snowfall, snow depth

Rank-

PencePNCI3

At a cooperative observer's station/11.7 mi away/705 ft/67 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Lafayette, drawn

The nearest airport reporting now, 20.9 mi from Williamsport, Indiana. From its report of Oct 16, 2026, 4:41 AM local time: 3 of its 6 sheets.

The sky

Broken at 900 ft, overcast at 1,400 ft; the ceiling is 900 ft; visibility 6 mi.

Section of the sky over Lafayette, height above the station to scale: broken cloud with its base at 900 feet, overcast cloud with its base at 1,400 feet, the ceiling at 900 feet, and visibility of 6 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LAFFIG. A THE SKY OVER LAFAYETTESECTION, 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 SHEETOVC 1,400 FTOVERCAST, 8 EIGHTHS OF THE SKYBKN 900 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 900 FTVISIBILITY, MILES: 6 MI0510TITLELafayette, the skySTATION REPORT · ASOS LAFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-LAF-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

57.0 F with a dew point of 55.0 F, 93 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 500 ft up; the lowest cloud reported is at 900 ft.

Chart of the air at Lafayette: temperature 57.0 degrees Fahrenheit and dew point 55.0, 93 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 500 feet above the station, against the lowest cloud reported at 900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LAFFIG. B THE AIR AT LAFAYETTETHE 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 500 FT ABOVE THE STATION, AT 54.5 FLOWEST CLOUD REPORTED, BKN 900 FTTEMPERATURE AND DEW POINT 57.0 F, 55.0 FRELATIVE HUMIDITY 93 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 POINTTITLELafayette, the airSTATION REPORT · ASOS LAFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-LAF-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 18 mph, gusting 36 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Lafayette, north up: blowing from 290 degrees, the west northwest, at 18 miles an hour, gusting 36; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LAFFIG. C THE WIND AT LAFAYETTEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 18 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE32GUST, 36 MPH8GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELafayette, the windSTATION REPORT · ASOS LAFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-LAF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-

Snow on the ground

Elsewhere in Indiana

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

Near Williamsport

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

Near Williamsport

River and lake gauges