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Hopkinton, Iowa

City in Delaware County, Iowa

Air quality

The air at Hopkinton

Index 12, good, led by fine particles. Read at 11 PM from its reporting area, Iowa City (IA), 50 miles off.

12Good
  • Fine particles (PM2.5)12Good-
  • Ozone-14 ppb14.9 mi

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 36, good.

Smoke, the next 45 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Hopkinton

1.00 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
1.00in
Last 3 days
1.00in

Visibility

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

Visibility stays 5 miles or more through Sat 7 PM, lowest 5 miles Fri 10 AM.

FriSat

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

What is measuring near here

The 6 instruments nearest Hopkinton, 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

measured daily2 instruments

MonticelloMCLI4

At a cooperative observer's station/7.8 mi away/812 ft/64 ft below here

snowfall, snow depth, precip, high, low

Rank94of 1,060

Station report

The weather at Monticello Muni, drawn

The nearest airport reporting now, 9.7 mi from Hopkinton, Iowa. From its report of Oct 15, 2026, 11:15 PM local time: 3 of its 6 sheets.

The sky

Overcast at 1,300 ft; the ceiling is 1,300 ft; visibility 10 mi or more.

Section of the sky over Monticello Muni, height above the station to scale: overcast cloud with its base at 1,300 feet, the ceiling at 1,300 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MXOFIG. A THE SKY OVER MONTICELLO MUNISECTION, 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 SHEETOVC 1,300 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,300 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMonticello Muni, the skySTATION REPORT · ASOS MXOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-MXO-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 50.0 F, 100 per cent relative humidity. The air is saturated at the ground; the lowest cloud reported is at 1,300 ft.

Chart of the air at Monticello Muni: temperature 50.0 degrees Fahrenheit and dew point 50.0, 100 per cent relative humidity; the air saturated at the ground, against the lowest cloud reported at 1,300 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MXOFIG. B THE AIR AT MONTICELLO MUNITHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00040 F50 F60 FSATURATED AT THE GROUNDLOWEST CLOUD REPORTED, OVC 1,300 FTTEMPERATURE AND DEW POINT 50.0 F, 50.0 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 POINTTITLEMonticello Muni, the airSTATION REPORT · ASOS MXOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-MXO-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 16 mph, gusting 24 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 32 mph.

Plan of the wind at Monticello Muni, north up: blowing from 310 degrees, the northwest, at 16 miles an hour, gusting 24; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MXOFIG. C THE WIND AT MONTICELLO MUNIPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 16 MPH5FRESH BREEZE19GUST, 24 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMonticello Muni, the windSTATION REPORT · ASOS MXOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-MXO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Mississippi River AT Dubuque LD11 (DLDI4), 32.6 miles from here, read 15 Oct, 06:00. measured daily

Elsewhere in Iowa

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

Near Hopkinton

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

Near Hopkinton

River and lake gauges