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Sunnybrook Colony, Montana

Community in Chouteau County, Montana

Air quality

The air at Sunnybrook Colony

Index 10, good, led by fine particles. Read at 2 AM from its reporting area, Havre (MT), 56 miles off.

10Good
  • Fine particles (PM2.5)10Good-

The days ahead

Yesterday measured 3, good.

Smoke, the next 40 hours

Little smoke near the ground through Sat 6 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Sunnybrook Colony

None in the last 3 days, to Fri 2 AM. 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 Sunnybrook Colony, the next 40 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 7 instruments nearest Sunnybrook Colony, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 8.8 miles away.

measured now5 instruments

ViolettS2118

At a soil climate station/28.5 mi away/3,225 ft/154 ft above here

temp, humidity, soil temp, soil moisture

Rank713of 1,053

measured daily2 instruments

Rudyard 19SRYDM8

At a cooperative observer's station/10.2 mi away/2,864 ft/207 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fort Benton, drawn

The nearest airport reporting now, 22.0 mi from Sunnybrook Colony, Montana. From its report of Oct 16, 2026, 2:35 AM 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 Fort Benton, 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 79SFIG. A THE SKY OVER FORT BENTONSECTION, 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 MORE0510TITLEFort Benton, the skySTATION REPORT · ASOS 79STYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-79S-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

33.8 F with a dew point of 30.0 F, 86 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.

Chart of the air at Fort Benton: temperature 33.8 degrees Fahrenheit and dew point 30.0, 86 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 79SFIG. B THE AIR AT FORT BENTONTHE 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 FSATURATES 900 FT ABOVE THE STATION, AT 29.1 FTEMPERATURE 33.8 FDEW POINT 30.0 FSPREAD 3.8 FRELATIVE HUMIDITY 86 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 POINTTITLEFort Benton, the airSTATION REPORT · ASOS 79STYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-79S-2DRAWN AS linework on paperSOURCES FB-WAT-020, FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the east (100 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Fort Benton, north up: blowing from 100 degrees, the east, at 6 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 79SFIG. C THE WIND AT FORT BENTONPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 100°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFort Benton, the windSTATION REPORT · ASOS 79STYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-79S-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Fort Benton, 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 Sunnybrook Colony

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

Near Sunnybrook Colony

River and lake gauges