Storm Station
Union, Ohio
54°
Clear· Feels like 54°·Light breeze 5 mph N
Clear, with a low around 47. North wind around 5 mph.
-UV
-Air quality
79%Humidity
10%Cloud

What is measuring near here

The 4 instruments nearest Union, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now2 instruments

DaytonDAY

At an airfield/5.3 mi away/1,001 ft/52 ft above here

temp, wind, gust, visibility, precip, pressure

Rank21of 610

75-IR75 MM 65OH067

Beside a road/7.2 mi away/906 ft/43 ft below here

temp, pavement temp, wind, visibility, precip

Rank415of 610

measured daily2 instruments

Union 0.7 SWOH-MY-73

In a volunteer observer's own ground/0.3 mi away/970 ft/21 ft above here

precip, snowfall, snow depth

Rank-

Tipp CityTIPO1

At a cooperative observer's station/8.6 mi away/899 ft/50 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Dayton, drawn

The nearest airport reporting now, 5.3 mi from Union. From its report of Sep 27, 2026, 4:56 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 Dayton, 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 DAYFIG. A THE SKY OVER DAYTONSECTION, 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 MORE0510TITLEDayton, the skySTATION REPORT · ASOS DAYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-DAY-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

49.0 F with a dew point of 44.0 F, 83 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 Dayton: temperature 49.0 degrees Fahrenheit and dew point 44.0, 83 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 DAYFIG. B THE AIR AT DAYTONTHE 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 F60 FSATURATES 1,200 FT ABOVE THE STATION, AT 42.8 FTEMPERATURE 49.0 FDEW POINT 44.0 FSPREAD 5.0 FRELATIVE HUMIDITY 83 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 POINTTITLEDayton, the airSTATION REPORT · ASOS DAYTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-DAY-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Dayton, north up: blowing from 340 degrees, the north northwest, at 5 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DAYFIG. C THE WIND AT DAYTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEDayton, the windSTATION REPORT · ASOS DAYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-DAY-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Tipp City (TIPO1), 8.6 miles from here, read 26 Sep, 07:00. measured daily

Elsewhere in Ohio

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

Near Union

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