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New London, Missouri

City in Ralls County, Missouri

Air quality

The air at New London

Index 18, good, led by ozone. Read at 7 AM from its reporting area, Mark Twain State Park (MO), 22 miles off.

18Good
  • Ozone18Good19 ppb22.2 mi
  • Coarse particles (PM10)17Good22.2 mi
  • Nitrogen dioxide0Good0.8 ppb22.2 mi
  • Sulfur dioxide1Good1 ppb22.2 mi

The days ahead

Yesterday measured 19, good.

Smoke, the next 43 hours

No smoke near the ground through Sun 1 AM.

FriSat

Precipitation

What has fallen at New London

0.17 in in the last 24 hours, 0.80 in over the last 3 days, to Fri 6 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.17in
Last 3 days
0.80in

Visibility

How far you can see at New London, the next 43 hours

Visibility stays 8 miles or more through Sun 1 AM, lowest 8 miles Sat 8 AM.

FriSat

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

What is measuring near here

The 5 instruments nearest New London, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.0 miles away.

measured now3 instruments

HannibalHAE

At an airfield/9.9 mi away/772 ft/116 ft above here

temp, wind, gust, visibility, precip, pressure

Rank697of 1,014

measured daily2 instruments

SavertonSVRM7

At a cooperative observer's station/8.6 mi away/538 ft/118 ft below here

snowfall, snow depth, precip, high, low

Rank17of 1,014

Station report

The weather at Hannibal, drawn

The nearest airport reporting now, 9.9 mi from New London, Missouri. From its report of Oct 16, 2026, 6:55 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 Hannibal, 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 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 SHEETNO CLOUD DETECTED BELOW 12,000 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

The air

46.4 F with a dew point of 39.2 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.

Chart of the air at Hannibal: temperature 46.4 degrees Fahrenheit and dew point 39.2, 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; 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 37.6 FTEMPERATURE 46.4 FDEW POINT 39.2 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 west northwest (290 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Hannibal, north up: blowing from 290 degrees, the west northwest, at 9 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle 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 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR 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 Saverton (SVRM7), 8.6 miles from here, read 16 Oct, 06:00. measured daily

Elsewhere in Missouri

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

Near New London

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

Near New London

River and lake gauges