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Callao, Missouri

City in Macon County, Missouri

Air quality

The air at Callao

Index 18, good, led by ozone. Read at 12 AM from its reporting area, Mark Twain State Park (MO), 48 miles off.

18Good
  • Ozone18Good-
  • Coarse particles (PM10)3Good-

The days ahead

Yesterday measured 29, good.

Smoke, the next 43 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Callao

0.24 in in the last 24 hours, 0.97 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.24in
Last 3 days
0.97in

Visibility

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

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

FriSat

On the radar over Callao, MissouriReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Callao, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.1 miles away.

measured now4 instruments

AtlantaATAM7

At a river or reservoir gauge/9.2 mi away/856 ft/20 ft above here

temp, wind, gust, humidity, pressure

Rank270of 1,014

MoberlyMBY

At an airfield/23.2 mi away/866 ft/30 ft above here

temp, wind, gust, visibility, precip, pressure

Rank751of 1,014

measured daily2 instruments

Long Branch ReservoirLBRM7

At a reservoir/6.1 mi away/817 ft/19 ft below here

snowfall, snow depth, precip, high, low

Rank-

Callao 7.3 NMO-MC-8

In a volunteer observer's own ground/7.3 mi away/891 ft/55 ft above here

precip, snowfall, snow depth

Rank81of 1,014

Station report

The weather at Moberly, drawn

The nearest airport reporting now, 23.2 mi from Callao, Missouri. From its report of Oct 15, 2026, 11:55 PM local time: 3 of its 5 sheets.

The sky

Broken at 3,500 ft, broken at 12,000 ft; the ceiling is 3,500 ft; visibility 10 mi or more.

Section of the sky over Moberly, height above the station to scale: broken cloud with its base at 3,500 feet, broken cloud with its base at 12,000 feet, the ceiling at 3,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MBYFIG. A THE SKY OVER MOBERLYSECTION, 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 STATION02,5005,0007,50010,00012,50015,00017,50020,000ETAGESLOWMIDDLEHIGHTHE STATIONTHE CEILOMETER READS TO 12,000 FTBKN 12,000 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYBKN 3,500 FTBROKEN, 5 TO 7 EIGHTHS OF THE SKYCEILING 3,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMoberly, the skySTATION REPORT · ASOS MBYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-MBY-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The wind

From the northwest (310 degrees) at 14 mph, gusting 23 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Moberly, north up: blowing from 310 degrees, the northwest, at 14 miles an hour, gusting 23; beside it the Beaufort scale from calm to hurricane force, force 4, moderate breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MBYFIG. C THE WIND AT MOBERLYPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE19GUST, 23 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMoberly, the windSTATION REPORT · ASOS MBYTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-MBY-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The column

At 866 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.00 inHg and the temperature at 55.9 F; the station's altimeter setting of 30.16 inHg means its barometer reads 29.23 inHg.

Section from sea level of where Moberly stands in the atmosphere, height to scale: the station 866 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 29.00 inches of mercury, and temperature, 55.9 degrees Fahrenheit; the altimeter setting of 30.16 and the station pressure it means, 29.23.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MBYFIG. D WHERE MOBERLY STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREMOBERLY3 PER CENT OF THE AIR BELOW IT866 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE29.00 inHgSTANDARD TEMPERATURE HERE55.9 FALTIMETER SETTING, REPORTED30.16 inHgITS BAROMETER READS29.23 inHgTITLEMoberly, the columnSTATION REPORT · ASOS MBYTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-MBY-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Moberly, in 5 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Missouri

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

Near Callao

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

Near Callao

River and lake gauges