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Canton, Missouri

City in Lewis County, Missouri

Air quality

The air at Canton

Index 14, good, led by ozone. Read at 1 PM from its reporting area, Lake Sugema (IA), 46 miles off.

14Good
  • Fine particles (PM2.5)8Good-
  • Ozone14Good13 ppb17.9 mi

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 28, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 7 AM.

FriSatSun

Precipitation

What has fallen at Canton

None in the last 24 hours; 0.29 in over the last 3 days, to Fri 12 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.29in

Visibility

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

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

FriSatSun

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

What is measuring near here

The 5 instruments nearest Canton, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.5 miles away.

measured now3 instruments

HannibalHAE

At an airfield/28.3 mi away/772 ft/272 ft above here

temp, wind, gust, visibility, precip, pressure

Rank697of 1,014

measured daily2 instruments

Canton 0.7 WNWMO-LS-5

In a volunteer observer's own ground/0.5 mi away/603 ft/103 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Hannibal, drawn

The nearest airport reporting now, 28.3 mi from Canton, Missouri. From its report of Oct 16, 2026, 12:55 PM local time: 3 of its 6 sheets.

The sky

Overcast at 1,800 ft; the ceiling is 1,800 ft; visibility 10 mi or more.

Section of the sky over Hannibal, height above the station to scale: overcast cloud with its base at 1,800 feet, the ceiling at 1,800 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HAEFIG. A THE SKY OVER HANNIBALSECTION, 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 1,800 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 1,800 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEHannibal, the skySTATION REPORT · ASOS HAETYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-HAE-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

51.8 F with a dew point of 44.6 F, 76 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,700 ft up; the lowest cloud reported is at 1,800 ft.

Chart of the air at Hannibal: temperature 51.8 degrees Fahrenheit and dew point 44.6, 76 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,700 feet above the station, against the lowest cloud reported at 1,800 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HAEFIG. B THE AIR AT HANNIBALTHE 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 F60 FSATURATES 1,700 FT ABOVE THE STATION, AT 43.0 FLOWEST CLOUD REPORTED, OVC 1,800 FTTEMPERATURE 51.8 FDEW POINT 44.6 FSPREAD 7.2 FRELATIVE HUMIDITY 76 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 POINTTITLEHannibal, the airSTATION REPORT · ASOS HAETYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-HAE-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (320 degrees) at 14 mph, gusting 25 mph: force 4, a moderate breeze on the Beaufort scale. The strongest gust today was 30 mph.

Plan of the wind at Hannibal, north up: blowing from 320 degrees, the northwest, at 14 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 HAEFIG. C THE WIND AT HANNIBALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 320°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE13NOW, 14 MPH5FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHannibal, the windSTATION REPORT · ASOS HAETYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-HAE-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

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

0in

Snow on the ground

Measured at Canton L And D 20 (CANM7), 0.8 miles from here, read 13 Oct, 06:00. measured daily

Elsewhere in Missouri

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

Near Canton

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

Near Canton

River and lake gauges