Storm Station
Tiffin, Iowa
60°
Partly cloudy· Feels like 60°·Light air 1 mph SE
A slight chance of rain showers. Mostly cloudy, with a low around 58. East wind around 5 mph. Chance of precipitation is 20%.
-UV
-Air quality
81%Humidity
64%Cloud

What is measuring near here

The 5 instruments nearest Tiffin, 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 now3 instruments

Tiffin - I80/I380 FlyoverRTFI4

Beside a road/1.4 mi away/791 ft/64 ft above here

temp, pavement temp, wind, visibility, precip

Rank571of 652

Iowa CityIOW

At an airfield/7.8 mi away/669 ft/58 ft below here

temp, wind, gust, visibility, precip, pressure

Rank8of 652

measured daily2 instruments

Tiffin 0.8 EIA-JH-3

In a volunteer observer's own ground/0.3 mi away/696 ft/31 ft below here

precip, snowfall, snow depth

Rank-

Iowa CityICYI4

At a cooperative observer's station/7.9 mi away/650 ft/77 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Iowa City, drawn

The nearest airport reporting now, 7.8 mi from Tiffin. From its report of Sep 27, 2026, 3:52 AM local time: 3 of its 6 sheets.

The sky

Overcast at 8,500 ft; the ceiling is 8,500 ft; visibility 10 mi or more.

Section of the sky over Iowa City, height above the station to scale: overcast cloud with its base at 8,500 feet, the ceiling at 8,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IOWFIG. A THE SKY OVER IOWA CITYSECTION, 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 STATION02,5005,0007,50010,00012,50015,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FTOVC 8,500 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 8,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEIowa City, the skySTATION REPORT · ASOS IOWTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-IOW-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-013, FB-SKY-014

The air

60.0 F with a dew point of 57.0 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 8,500 ft.

Chart of the air at Iowa City: temperature 60.0 degrees Fahrenheit and dew point 57.0, 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 8,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IOWFIG. B THE AIR AT IOWA CITYTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00050 F60 F70 FSATURATES 700 FT ABOVE THE STATION, AT 56.2 FABOVE THIS SHEET: LOWEST CLOUD REPORTED, OVC 8,500 FTTEMPERATURE 60.0 FDEW POINT 57.0 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 POINTTITLEIowa City, the airSTATION REPORT · ASOS IOWTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-IOW-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Iowa City, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT IOWFIG. C THE WIND AT IOWA CITYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEIowa City, the windSTATION REPORT · ASOS IOWTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-IOW-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

-in

Snow on the ground

Elsewhere in Iowa

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

Near Tiffin

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