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Decatur, Indiana

City in Adams County, Indiana

Air quality

The air at Decatur

Index 56, moderate, led by fine particles. Read at 12 AM from its reporting area, Fort Wayne (IN), 21 miles off.

56Moderate
  • Fine particles (PM2.5)56Moderate-
  • Ozone12Good-

The days ahead

Good each day through Today, led by ozone. Yesterday measured 53, moderate.

Smoke, the next 44 hours

No smoke near the ground through Sat 8 PM.

FriSat

Precipitation

What has fallen at Decatur

0.04 in in the last 24 hours, 0.22 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.04in
Last 3 days
0.22in

Visibility

How far you can see at Decatur, the next 44 hours

Visibility stays 4 miles or more through Sat 8 PM, lowest 5 miles Fri 5 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Decatur, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.3 miles away.

measured now4 instruments

measured daily2 instruments

Decatur 1NDCRI3

At a cooperative observer's station/1.3 mi away/781 ft/20 ft below here

snowfall, snow depth, precip, high, low

Rank-

Decatur 3.3 NNWIN-AD-13

In a volunteer observer's own ground/3.4 mi away/804 ft/3 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Fort Wayne, drawn

The nearest airport reporting now, 17.6 mi from Decatur, Indiana. From its report of Oct 16, 2026, 12:25 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 1,500 ft, scattered at 1,900 ft, broken at 2,500 ft; the ceiling is 2,500 ft; visibility 10 mi or more.

Section of the sky over Fort Wayne, height above the station to scale: a few clouds cloud with its base at 1,500 feet, scattered cloud with its base at 1,900 feet, broken cloud with its base at 2,500 feet, the ceiling at 2,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FWAFIG. A THE SKY OVER FORT WAYNESECTION, 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 STATION05001,0001,5002,0002,5003,0003,5004,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETBKN 2,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYSCT 1,900 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYFEW 1,500 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYCEILING 2,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFort Wayne, the skySTATION REPORT · ASOS FWATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-FWA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

71.0 F with a dew point of 68.0 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 1,500 ft.

Chart of the air at Fort Wayne: temperature 71.0 degrees Fahrenheit and dew point 68.0, 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 1,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FWAFIG. B THE AIR AT FORT WAYNETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00060 F70 F80 FSATURATES 700 FT ABOVE THE STATION, AT 67.3 FLOWEST CLOUD REPORTED, FEW 1,500 FTTEMPERATURE 71.0 FDEW POINT 68.0 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 POINTTITLEFort Wayne, the airSTATION REPORT · ASOS FWATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-FWA-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southwest (220 degrees) at 14 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Fort Wayne, north up: blowing from 220 degrees, the southwest, at 14 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 FWAFIG. C THE WIND AT FORT WAYNEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 220°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFort Wayne, the windSTATION REPORT · ASOS FWATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-FWA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Fort Wayne, 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 Decatur

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

Near Decatur

River and lake gauges