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Tennant, Iowa

City in Shelby County, Iowa

Air quality

The air at Tennant

Index 22, good, led by ozone. Read at 2 AM from its reporting area, Pisgah (IA), 30 miles off.

22Good
  • Ozone22Good-

The days ahead

Good each day through Today, led by ozone.

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Tennant

0.92 in in the last 24 hours, and none in the 2 days before, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.92in
Last 3 days
0.92in

Visibility

How far you can see at Tennant, the next 42 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Sat 2 AM.

FriSat

On the radar over Tennant, IowaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Tennant, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.6 miles away.

measured now4 instruments

HarlanHNR

At an airfield/5.6 mi away/1,194 ft/188 ft below here

temp, wind, gust, visibility, precip, pressure

Rank237of 1,060

Irwin 3 ESEIRWI4

At a river or reservoir gauge/19.5 mi away/1,322 ft/60 ft below here

temp, wind, gust, humidity, pressure

Rank-

measured daily2 instruments

Persia 2.0 SIA-HR-4

In a volunteer observer's own ground/7.3 mi away/1,201 ft/181 ft below here

precip, snowfall, snow depth

Rank-

UnderwoodUNDI4

At a cooperative observer's station/18.7 mi away/1,099 ft/283 ft below here

snowfall, snow depth, precip, high, low

Rank741of 1,060

Station report

The weather at Harlan, drawn

The nearest airport reporting now, 5.6 mi from Tennant, Iowa. From its report of Oct 16, 2026, 2:15 AM local time: 3 of its 6 sheets.

The sky

Overcast at 3,900 ft; the ceiling is 3,900 ft; visibility 10 mi or more.

Section of the sky over Harlan, height above the station to scale: overcast cloud with its base at 3,900 feet, the ceiling at 3,900 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HNRFIG. A THE SKY OVER HARLANSECTION, 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 STATION01,0002,0003,0004,0005,0006,000ETAGESLOWTHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 3,900 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 3,900 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEHarlan, the skySTATION REPORT · ASOS HNRTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HNR-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

46.4 F with a dew point of 37.4 F, 71 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up; the lowest cloud reported is at 3,900 ft.

Chart of the air at Harlan: temperature 46.4 degrees Fahrenheit and dew point 37.4, 71 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station, against the lowest cloud reported at 3,900 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HNRFIG. B THE AIR AT HARLANTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00020 F30 F40 F50 F60 FSATURATES 2,100 FT ABOVE THE STATION, AT 35.4 FLOWEST CLOUD REPORTED, OVC 3,900 FTTEMPERATURE 46.4 FDEW POINT 37.4 FSPREAD 9.0 FRELATIVE HUMIDITY 71 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 POINTTITLEHarlan, the airSTATION REPORT · ASOS HNRTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HNR-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 21 mph, gusting 26 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Harlan, north up: blowing from 310 degrees, the northwest, at 21 miles an hour, gusting 26; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HNRFIG. C THE WIND AT HARLANPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 21 MPH6STRONG BREEZE25GUST, 26 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHarlan, the windSTATION REPORT · ASOS HNRTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HNR-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Underwood (UNDI4), 18.7 miles from here, read 15 Oct, 07:00. measured daily

Elsewhere in Iowa

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

Near Tennant

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

Near Tennant

River and lake gauges