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Cass, Indiana

Community in Sullivan County, Indiana

Air quality

The air at Cass

Index 21, good, led by ozone. Read at 11 PM from its reporting area, Vincennes (IN), 19 miles off.

21Good
  • Ozone21Good-

Smoke, the next 46 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Cass

0.55 in in the last 24 hours, 0.73 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.55in
Last 3 days
0.73in

Visibility

How far you can see at Cass, the next 46 hours

Visibility stays 8 miles or more through Sat 8 PM, lowest 9 miles Thu 11 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Cass, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.1 miles away.

measured now4 instruments

SullivanSULI3

At a river or reservoir gauge/4.1 mi away/494 ft/86 ft below here

temp, wind, gust, humidity, pressure

Rank378of 1,111

measured daily2 instruments

Shakamak State ParkSHKI3

In a park or preserve/5.4 mi away/528 ft/52 ft below here

snowfall, snow depth, precip, high, low

Rank-

Linton 2.9 NNWIN-GN-6

In a volunteer observer's own ground/5.7 mi away/573 ft/7 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Terre Haute, drawn

The nearest airport reporting now, 25.2 mi from Cass, Indiana. From its report of Oct 15, 2026, 10:53 PM local time: 3 of its 6 sheets.

The sky

Overcast at 7,500 ft; the ceiling is 7,500 ft; visibility 10 mi or more.

Section of the sky over Terre Haute, height above the station to scale: overcast cloud with its base at 7,500 feet, the ceiling at 7,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HUFFIG. A THE SKY OVER TERRE HAUTESECTION, 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 7,500 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 7,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLETerre Haute, the skySTATION REPORT · ASOS HUFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HUF-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

74.0 F with a dew point of 71.0 F, 90 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 700 ft up; the lowest cloud reported is at 7,500 ft.

Chart of the air at Terre Haute: temperature 74.0 degrees Fahrenheit and dew point 71.0, 90 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, against the lowest cloud reported at 7,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HUFFIG. B THE AIR AT TERRE HAUTETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00060 F70 F80 FSATURATES 700 FT ABOVE THE STATION, AT 70.3 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 7,500 FTTEMPERATURE 74.0 FDEW POINT 71.0 FSPREAD 3.0 FRELATIVE HUMIDITY 90 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 POINTTITLETerre Haute, the airSTATION REPORT · ASOS HUFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HUF-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (230 degrees) at 8 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Terre Haute, north up: blowing from 230 degrees, the southwest, at 8 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HUFFIG. C THE WIND AT TERRE HAUTEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 230°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 8 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLETerre Haute, the windSTATION REPORT · ASOS HUFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HUF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Terre Haute, 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 Cass

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

Near Cass

River and lake gauges