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Cotter, Iowa

City in Louisa County, Iowa

Air quality

The air at Cotter

Index 39, good, led by fine particles. Read at 12 AM from its reporting area, Muscatine (IA), 23 miles off.

39Good
  • Fine particles (PM2.5)39Good21.7 mi
  • Sulfur dioxide0Good0 ppb21.7 mi

The days ahead

Yesterday measured 16, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 7 PM.

SatSun

Precipitation

What has fallen at Cotter

0.02 in in the last 24 hours, 0.15 in over the last 3 days, to Sat 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.15in

Visibility

How far you can see at Cotter, the next 43 hours

Visibility stays 10 miles or more through Sun 7 PM.

SatSun

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

What is measuring near here

The 6 instruments nearest Cotter, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.6 miles away.

measured now4 instruments

AinsworthRAII4

Beside a road/3.6 mi away/712 ft/8 ft above here

temp, pavement temp, wind, visibility, precip

Rank365of 1,055

WashingtonAWG

At an airfield/11.0 mi away/751 ft/47 ft above here

temp, wind, gust, visibility, precip, pressure

Rank3of 1,055

Mount Pleasant 1 SSW [CCOOP]MPZI4

At a river or reservoir gauge/24.1 mi away/719 ft/15 ft above here

temp, wind, gust, humidity, pressure

Rank-

measured daily2 instruments

Columbus Junct 2 SSWCOJI4

At a cooperative observer's station/5.7 mi away/709 ft/5 ft above here

snowfall, snow depth, precip, high, low

Rank-

Crawfordsville 2.7 ESEIA-WS-13

In a volunteer observer's own ground/6.3 mi away/726 ft/22 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Washington, drawn

The nearest airport reporting now, 11.0 mi from Cotter, Iowa. From its report of Oct 17, 2026, 12:35 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 Washington, 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 AWGFIG. A THE SKY OVER WASHINGTONSECTION, 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 MORE0510TITLEWashington, the skySTATION REPORT · ASOS AWGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-AWG-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

39.2 F with a dew point of 39.2 F, 100 per cent relative humidity. The air is saturated at the ground.

Chart of the air at Washington: temperature 39.2 degrees Fahrenheit and dew point 39.2, 100 per cent relative humidity; the air saturated at the ground; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AWGFIG. B THE AIR AT WASHINGTONTHE 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 FSATURATED AT THE GROUNDTEMPERATURE AND DEW POINT 39.2 F, 39.2 FRELATIVE HUMIDITY 100 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 POINTTITLEWashington, the airSTATION REPORT · ASOS AWGTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-AWG-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Washington, north up: blowing from 310 degrees, the northwest, at 7 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 AWGFIG. C THE WIND AT WASHINGTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEWashington, the windSTATION REPORT · ASOS AWGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-AWG-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Washington, 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 Cotter

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

Near Cotter

River and lake gauges