Storm Station
Sign in

San Juan, Texas

Community in Starr County, Texas

Precipitation

What has fallen at San Juan

None in the last 3 days, to Fri 1 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at San Juan, the next 42 hours

Visibility stays 10 miles or more through Sun 7 AM.

FriSatSun

On the radar over San Juan, TexasReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 4 instruments nearest San Juan, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now2 instruments

measured daily2 instruments

Roma 2.2 ETX-ST-10

In a volunteer observer's own ground/1.6 mi away/189 ft/40 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Falcon Lake RAWS, drawn

The nearest instrument reporting now, 15.3 mi from San Juan, Texas. From its report of Oct 16, 2026, 1:11 PM local time: 3 of its 5 sheets.

The air

78.0 F with a dew point of 65.2 F, 65 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,000 ft up.

Chart of the air at Falcon Lake RAWS: temperature 78.0 degrees Fahrenheit and dew point 65.2, 65 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FART2FIG. B THE AIR AT FALCON LAKE RAWSTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,00050 F60 F70 F80 F90 FSATURATES 3,000 FT ABOVE THE STATION, AT 62.2 FTEMPERATURE 78.0 FDEW POINT 65.2 FSPREAD 12.8 FRELATIVE HUMIDITY 65 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 POINTTITLEFalcon Lake RAWS, the airSTATION REPORT · DCP FART2TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-FART2-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north (11 degrees) at 12 mph, gusting 25 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 25 mph.

Plan of the wind at Falcon Lake RAWS, north up: blowing from 11 degrees, the north, at 12 miles an hour, gusting 25; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FART2FIG. C THE WIND AT FALCON LAKE RAWSPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 11°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 12 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE25GUST, 25 MPH7NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFalcon Lake RAWS, the windSTATION REPORT · DCP FART2TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-FART2-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 344 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.55 inHg and the temperature at 57.8 F; it reports 78.0 F, 20.2 F warmer than standard.

Section from sea level of where Falcon Lake RAWS stands in the atmosphere, height to scale: the station 344 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.55 inches of mercury, and temperature, 57.8 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT FART2FIG. D WHERE FALCON LAKE RAWS 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 ATMOSPHEREFALCON LAKE RAWS1 PER CENT OF THE AIR BELOW IT344 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 HERE29.55 inHgSTANDARD TEMPERATURE HERE57.8 FTEMPERATURE, REPORTED78.0 FTITLEFalcon Lake RAWS, the columnSTATION REPORT · DCP FART2TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-FART2-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

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

-

Snow on the ground

Elsewhere in Texas

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

Near San Juan

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

Near San Juan

River and lake gauges