Storm Station
Summertown, Tennessee
68°
Partly cloudy· Feels like 68°·Light air 3 mph NNE
Mostly sunny, with a high near 80. North northeast wind 0 to 5 mph.
-UV
-Air quality
30%Humidity
52%Cloud

What is measuring near here

The 5 instruments nearest Summertown, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now3 instruments

ColumbiaMRC

At an airfield/11.0 mi away/659 ft/358 ft below here

temp, wind, gust, visibility, precip, pressure

Rank422of 425

Meriwether LewisMERT1

At a river or reservoir gauge/11.5 mi away/1,004 ft/13 ft below here

temp, wind, gust, humidity, pressure

Rank205of 425

Allen FarmsS2076

At a soil climate station/34.1 mi away/705 ft/312 ft below here

temp, humidity, soil temp, soil moisture

Rank-

measured daily2 instruments

Summertown 0.2 ESETN-LR-14

In a volunteer observer's own ground/0.1 mi away/1,016 ft/1 ft below here

precip, snowfall, snow depth

Rank-

Mt Pleasant 1NMTPT1

At a cooperative observer's station/10.4 mi away/623 ft/394 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Meriwether Lewis, drawn

The nearest instrument reporting now, 11.5 mi from Summertown. From its report of Sep 27, 2026, 6:22 AM local time: 3 of its 5 sheets.

The air

53.0 F with a dew point of 47.6 F, 82 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 1,200 ft up.

Chart of the air at Meriwether Lewis: temperature 53.0 degrees Fahrenheit and dew point 47.6, 82 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 1,200 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MERT1FIG. B THE AIR AT MERIWETHER LEWISTHE 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 FSATURATES 1,200 FT ABOVE THE STATION, AT 46.4 FTEMPERATURE 53.0 FDEW POINT 47.6 FSPREAD 5.4 FRELATIVE HUMIDITY 82 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 POINTTITLEMeriwether Lewis, the airSTATION REPORT · DCP MERT1TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-09-27IDSR-MERT1-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Meriwether Lewis, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MERT1FIG. C THE WIND AT MERIWETHER LEWISPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR1GUST, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMeriwether Lewis, the windSTATION REPORT · DCP MERT1TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-09-27IDSR-MERT1-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,004 ft above sea level, 4 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.85 inHg and the temperature at 55.4 F; it reports 53.0 F, 2.4 F colder than standard.

Section from sea level of where Meriwether Lewis stands in the atmosphere, height to scale: the station 1,004 feet above sea level with 4 per cent of the air below it; the standard atmosphere's pressure there, 28.85 inches of mercury, and temperature, 55.4 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MERT1FIG. D WHERE MERIWETHER LEWIS 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 ATMOSPHEREMERIWETHER LEWIS4 PER CENT OF THE AIR BELOW IT1,004 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 HERE28.85 inHgSTANDARD TEMPERATURE HERE55.4 FTEMPERATURE, REPORTED53.0 FTITLEMeriwether Lewis, the columnSTATION REPORT · DCP MERT1TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-09-27IDSR-MERT1-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

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

-in

Snow on the ground

Elsewhere in Tennessee

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

Near Summertown

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