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Hysham, Montana

Town in Treasure County, Montana

Air quality

The air at Hysham

Index 30, good, led by fine particles. Read at 10 PM from its reporting area, Billings (MT), 71 miles off.

30Good
  • Fine particles (PM2.5)30Good-
  • Ozone22Good-

The days ahead

Yesterday measured 26, good.

Smoke, the next 44 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Hysham

None in the last 3 days, to Thu 9 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 Hysham, the next 44 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

On the radar over Hysham, MontanaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 5 instruments nearest Hysham, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now3 instruments

measured daily2 instruments

HyshamHYSM8

At a cooperative observer's station/0.3 mi away/2,644 ft/26 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Forsyth Tillitt Field, drawn

The nearest airport reporting now, 29.0 mi from Hysham, Montana. From its report of Oct 15, 2026, 10:55 PM 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 Forsyth Tillitt Field, 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 1S3FIG. A THE SKY OVER FORSYTH TILLITT FIELDSECTION, 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 MORE0510TITLEForsyth Tillitt Field, the skySTATION REPORT · ASOS 1S3TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-1S3-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

36.5 F with a dew point of 27.3 F, 69 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,100 ft up.

Chart of the air at Forsyth Tillitt Field: temperature 36.5 degrees Fahrenheit and dew point 27.3, 69 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,100 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 1S3FIG. B THE AIR AT FORSYTH TILLITT FIELDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,00010 F20 F30 F40 F50 FSATURATES 2,100 FT ABOVE THE STATION, AT 25.4 FTEMPERATURE 36.5 FDEW POINT 27.3 FSPREAD 9.2 FRELATIVE HUMIDITY 69 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 POINTTITLEForsyth Tillitt Field, the airSTATION REPORT · ASOS 1S3TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-1S3-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (250 degrees) at 3 mph: force 1, a light air on the Beaufort scale. The strongest gust today was 36 mph.

Plan of the wind at Forsyth Tillitt Field, north up: blowing from 250 degrees, the west southwest, at 3 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 1S3FIG. C THE WIND AT FORSYTH TILLITT FIELDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 250°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 3 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEForsyth Tillitt Field, the windSTATION REPORT · ASOS 1S3TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-1S3-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Forsyth Tillitt Field, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Montana

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

Near Hysham

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

Near Hysham

River and lake gauges