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Tonsina, Alaska

Community in Copper River Census Area, Alaska

On the radar over Tonsina, AlaskaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 4 instruments nearest Tonsina, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 19.8 miles away.

measured now3 instruments

Chitina RAWSCXCA2

A remote fire weather station/22.2 mi away/1,322 ft/2,421 ft below here

temp, wind, gust, humidity, pressure

Rank135of 1,023

measured daily1 instrument

Copper Center 2.2 NNEAK-VC-11

In a volunteer observer's own ground/33.7 mi away/1,069 ft/2,674 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Richardson Highway @ Stuart Creek MP 45, drawn

The nearest instrument reporting now, 19.8 mi from Tonsina, Alaska. From its report of Oct 16, 2026, 1:20 AM local time: 3 of its 5 sheets.

The air

34.2 F with a dew point of 33.8 F, 99 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 100 ft up.

Chart of the air at Richardson Highway @ Stuart Creek MP 45: temperature 34.2 degrees Fahrenheit and dew point 33.8, 99 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RSCA2FIG. B THE AIR AT RICHARDSON HIGHWAY @ STUART CREEK MP 45THE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00020 F30 F40 F50 FSATURATES 100 FT ABOVE THE STATION, AT 33.6 FTEMPERATURE AND DEW POINT 34.2 F, 33.8 FRELATIVE HUMIDITY 99 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 POINTTITLERichardson Highway @ Stuart Creek MP 45, the airSTATION REPORT · RWIS RSCA2TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-RSCA2-1DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

Calm.

Plan of the wind at Richardson Highway @ Stuart Creek MP 45, 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 RSCA2FIG. C THE WIND AT RICHARDSON HIGHWAY @ STUART CREEK MP 45PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR1GUST, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLERichardson Highway @ Stuart Creek MP 45, the windSTATION REPORT · RWIS RSCA2TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-RSCA2-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 1,217 ft above sea level, 4 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.63 inHg and the temperature at 54.7 F; it reports 34.2 F, 20.5 F colder than standard.

Section from sea level of where Richardson Highway @ Stuart Creek MP 45 stands in the atmosphere, height to scale: the station 1,217 feet above sea level with 4 per cent of the air below it; the standard atmosphere's pressure there, 28.63 inches of mercury, and temperature, 54.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT RSCA2FIG. D WHERE RICHARDSON HIGHWAY @ STUART CREEK MP 45 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 ATMOSPHERERICHARDSON HIGHWAY @ STUART CREEK MP 454 PER CENT OF THE AIR BELOW IT1,217 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 HERE28.63 inHgSTANDARD TEMPERATURE HERE54.7 FTEMPERATURE, REPORTED34.2 FTITLERichardson Highway @ Stuart Creek MP 45, the columnSTATION REPORT · RWIS RSCA2TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-RSCA2-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

The full report of Richardson Highway @ Stuart Creek MP 45, in 5 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Alaska

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

Near Tonsina

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

Near Tonsina

River and lake gauges