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St. Omer, Indiana

Community in Decatur County, Indiana

Air quality

The air at St. Omer

Index 9, good, led by fine particles. Read at 3 AM from its reporting area, Columbus (IN), 21 miles off.

9Good
  • Fine particles (PM2.5)9Good-

The days ahead

Yesterday measured 18, good.

Smoke, the next 42 hours

No smoke near the ground through Sun 8 PM.

SatSun

Precipitation

What has fallen at St. Omer

0.17 in in the last 24 hours, 0.71 in over the last 3 days, to Sat 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.17in
Last 3 days
0.71in

Visibility

How far you can see at St. Omer, the next 42 hours

Visibility stays 9 miles or more through Sun 8 PM, lowest 9 miles Sat 4 AM.

SatSun

On the radar over St. Omer, IndianaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest St. Omer, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.7 miles away.

measured now4 instruments

measured daily2 instruments

St. Paul 0.3 EIN-DC-4

In a volunteer observer's own ground/1.7 mi away/857 ft/29 ft below here

precip, snowfall, snow depth

Rank-

Sewage PlantSHBI3

At a cooperative observer's station/11.6 mi away/768 ft/118 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Shelbyville, drawn

The nearest airport reporting now, 15.3 mi from St. Omer, Indiana. From its report of Oct 17, 2026, 2:53 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 Shelbyville, 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 GEZFIG. A THE SKY OVER SHELBYVILLESECTION, 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 MORE0510TITLEShelbyville, the skySTATION REPORT · ASOS GEZTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-GEZ-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

44.0 F with a dew point of 39.0 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up.

Chart of the air at Shelbyville: temperature 44.0 degrees Fahrenheit and dew point 39.0, 82 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; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GEZFIG. B THE AIR AT SHELBYVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00030 F40 F50 FSATURATES 1,200 FT ABOVE THE STATION, AT 37.8 FTEMPERATURE 44.0 FDEW POINT 39.0 FSPREAD 5.0 FRELATIVE HUMIDITY 82 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 POINTTITLEShelbyville, the airSTATION REPORT · ASOS GEZTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-GEZ-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (350 degrees) at 14 mph, gusting 22 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 24 mph.

Plan of the wind at Shelbyville, north up: blowing from 350 degrees, the north, at 14 miles an hour, gusting 22; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GEZFIG. C THE WIND AT SHELBYVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 350°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 22 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEShelbyville, the windSTATION REPORT · ASOS GEZTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-GEZ-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Shelbyville, 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 St. Omer

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

Near St. Omer

River and lake gauges