Storm Station
Williamstown, Missouri
63°
Partly cloudy· Feels like 63°·Light breeze 4 mph ESE
A chance of rain showers. Cloudy, with a low around 59. East wind around 2 mph. Chance of precipitation is 50%.
-UV
-Air quality
87%Humidity
71%Cloud

What is measuring near here

The 3 instruments nearest Williamstown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 9.9 miles away.

measured now1 instrument

measured daily2 instruments

Monticello 0.4 SSWMO-FSA-111

In a volunteer observer's own ground/9.9 mi away/584 ft/138 ft below here

precip, snowfall, snow depth

Rank-

Canton L And D 20CANM7

At a cooperative observer's station/16.3 mi away/489 ft/233 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Mississippi River AT Canton LD20, drawn

The nearest instrument reporting now, 16.2 mi from Williamstown. From its report of Sep 27, 2026, 3:30 AM local time: 3 of its 4 sheets.

The wind

From the northeast (45 degrees) at 2 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Mississippi River AT Canton LD20, north up: blowing from 45 degrees, the northeast, at 2 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CANM7FIG. C THE WIND AT MISSISSIPPI RIVER AT CANTON LD20PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 45°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 2 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMississippi River AT Canton LD20, the windSTATION REPORT · DCP CANM7TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-09-27IDSR-CANM7-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 528 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.35 inHg and the temperature at 57.1 F; it reports 62.7 F, 5.6 F warmer than standard.

Section from sea level of where Mississippi River AT Canton LD20 stands in the atmosphere, height to scale: the station 528 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.35 inches of mercury, and temperature, 57.1 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CANM7FIG. D WHERE MISSISSIPPI RIVER AT CANTON LD20 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 ATMOSPHEREMISSISSIPPI RIVER AT CANTON LD202 PER CENT OF THE AIR BELOW IT528 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 HERE29.35 inHgSTANDARD TEMPERATURE HERE57.1 FTEMPERATURE, REPORTED62.7 FTITLEMississippi River AT Canton LD20, the columnSTATION REPORT · DCP CANM7TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-09-27IDSR-CANM7-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The sun

On Sep 27 the noon sun stands 48 degrees above the horizon at 40.15 N, and the day is 11 h 48 min long. Level ground there takes 74 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Mississippi River AT Canton LD20, angles true: on Sep 27 it stands 48 degrees above the horizon, against 73 at the June solstice, 50 at the equinoxes and 26 at the December solstice; the day is 11 h 48 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CANM7FIG. E THE SUN AT MISSISSIPPI RIVER AT CANTON LD20ELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 73°EQUINOXES 50°DECEMBER SOLSTICE 26°SEP 27, 48°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 48 MINLEVEL GROUND TAKES 74 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 40.15 N; THE SUN'S DECLINATION -1.8°TITLEMississippi River AT Canton LD20, the sunSTATION REPORT · DCP CANM7TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-09-27IDSR-CANM7-3DRAWN AS linework on paperSOURCES FB-ENG-007

The full report of Mississippi River AT Canton LD20, in 4 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Mississippi River AT Canton LD20 (CANM7), 16.2 miles from here, read 26 Sep, 06:00. measured daily

Elsewhere in Missouri

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

Near Williamstown

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