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Lynnville, Iowa

City in Jasper County, Iowa

Air quality

The air at Lynnville

Index 17, good, led by ozone. Read at 11 PM from its reporting area, Des Moines (IA), 45 miles off.

17Good
  • Fine particles (PM2.5)8Good-
  • Ozone17Good-

The days ahead

Highest moderate, today, led by fine particles. Yesterday measured 20, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Lynnville

0.37 in in the last 24 hours, and none in the 2 days before, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.37in
Last 3 days
0.37in

Visibility

How far you can see at Lynnville, the next 45 hours

Mist or haze: visibility falls to 1 miles Sat 8 AM.

FriSat

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

What is measuring near here

The 7 instruments nearest Lynnville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.9 miles away.

measured now5 instruments

GrinnellRGII4

Beside a road/8.2 mi away/868 ft/13 ft above here

temp, pavement temp, wind, visibility, precip

Rank190of 1,060

GrinnellGGI

At an airfield/9.6 mi away/1,007 ft/152 ft above here

temp, wind, gust, visibility, precip, pressure

Rank7of 1,060

measured daily2 instruments

Grinnell 3 SWGRII4

At a cooperative observer's station/10.0 mi away/974 ft/119 ft above here

snowfall, snow depth, precip, high, low

Rank29of 1,060

Station report

The weather at Grinnell, drawn

The nearest airport reporting now, 9.6 mi from Lynnville, Iowa. From its report of Oct 15, 2026, 11:15 PM local time: 3 of its 6 sheets.

The sky

Overcast at 3,600 ft; the ceiling is 3,600 ft; visibility 10 mi or more.

Section of the sky over Grinnell, height above the station to scale: overcast cloud with its base at 3,600 feet, the ceiling at 3,600 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GGIFIG. A THE SKY OVER GRINNELLSECTION, 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 3,600 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 3,600 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEGrinnell, the skySTATION REPORT · ASOS GGITYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GGI-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

50.0 F with a dew point of 43.5 F, 78 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,500 ft up; the lowest cloud reported is at 3,600 ft.

Chart of the air at Grinnell: temperature 50.0 degrees Fahrenheit and dew point 43.5, 78 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,500 feet above the station, against the lowest cloud reported at 3,600 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GGIFIG. B THE AIR AT GRINNELLTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,00030 F40 F50 F60 FSATURATES 1,500 FT ABOVE THE STATION, AT 42.1 FLOWEST CLOUD REPORTED, OVC 3,600 FTTEMPERATURE 50.0 FDEW POINT 43.5 FSPREAD 6.5 FRELATIVE HUMIDITY 78 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 POINTTITLEGrinnell, the airSTATION REPORT · ASOS GGITYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GGI-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 17 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Grinnell, north up: blowing from 310 degrees, the northwest, at 17 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 GGIFIG. C THE WIND AT GRINNELLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 17 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGrinnell, the windSTATION REPORT · ASOS GGITYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GGI-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

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Snow on the ground

Elsewhere in Iowa

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

Near Lynnville

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

Near Lynnville

River and lake gauges