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Surprise Creek Colony, Montana

Community in Judith Basin County, Montana

Air quality

The air at Surprise Creek Colony

Index 39, good, led by fine particles. Read at 3 PM from its reporting area, Lewistown (MT), 42 miles off.

39Good
  • Fine particles (PM2.5)39Good-
  • Ozone39Good-
  • Coarse particles (PM10)20Good-

The days ahead

Yesterday measured 32, good.

Smoke, the next 46 hours

Little smoke near the ground through Sun 12 PM: the index from smoke stays at 17 or under.

FriSatSun

Precipitation

What has fallen at Surprise Creek Colony

None in the last 3 days, to Fri 2 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 Surprise Creek Colony, the next 46 hours

Visibility stays 10 miles or more through Sun 12 PM.

FriSatSun

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

What is measuring near here

The 6 instruments nearest Surprise Creek Colony, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 5.6 miles away.

measured now4 instruments

GeyserMTGYS

Beside a road/8.6 mi away/4,196 ft/96 ft below here

temp, pavement temp, wind, visibility, precip

Rank877of 1,053

MoccasinS2119

At a soil climate station/19.9 mi away/4,256 ft/36 ft below here

temp, humidity, soil temp, soil moisture

Rank687of 1,053

measured daily2 instruments

StanfordSTNM8

At a cooperative observer's station/5.6 mi away/4,275 ft/17 ft below here

snowfall, snow depth, precip, high, low

Rank574of 1,053

Stanford 0.1 NWMT-JB-2

In a volunteer observer's own ground/5.8 mi away/4,287 ft/5 ft below here

precip, snowfall, snow depth

Rank-

Station report

The weather at Geyser, drawn

The nearest instrument reporting now, 8.6 mi from Surprise Creek Colony, Montana. From its report of Oct 16, 2026, 3:00 PM local time: 3 of its 5 sheets.

The air

68.0 F with a dew point of 15.3 F, 13 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 11,700 ft up.

Chart of the air at Geyser: temperature 68.0 degrees Fahrenheit and dew point 15.3, 13 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 11,700 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MTGYSFIG. B THE AIR AT GEYSERTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION02,0004,0006,0008,00010,00012,00014,000-10 F10 F30 F50 F70 FSATURATES 11,700 FT ABOVE THE STATION, AT 5.4 FTEMPERATURE 68.0 FDEW POINT 15.3 FSPREAD 52.7 FRELATIVE HUMIDITY 13 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 POINTTITLEGeyser, the airSTATION REPORT · RWIS MTGYSTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 5DATE2026-10-16IDSR-MTGYS-1DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (248 degrees) at 19 mph, gusting 22 mph: force 5, a fresh breeze on the Beaufort scale. The strongest gust today was 23 mph.

Plan of the wind at Geyser, north up: blowing from 248 degrees, the west southwest, at 19 miles an hour, gusting 22; beside it the Beaufort scale from calm to hurricane force, force 5, fresh breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MTGYSFIG. C THE WIND AT GEYSERPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 248°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE19NOW, 19 MPH6STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGeyser, the windSTATION REPORT · RWIS MTGYSTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 2 of 5DATE2026-10-16IDSR-MTGYS-2DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

The column

At 4,196 ft above sea level, 14 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 25.65 inHg and the temperature at 44.0 F; it reports 68.0 F, 24.0 F warmer than standard.

Section from sea level of where Geyser stands in the atmosphere, height to scale: the station 4,196 feet above sea level with 14 per cent of the air below it; the standard atmosphere's pressure there, 25.65 inches of mercury, and temperature, 44.0 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT MTGYSFIG. D WHERE GEYSER 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 ATMOSPHEREGEYSER14 PER CENT OF THE AIR BELOW IT4,196 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 HERE25.65 inHgSTANDARD TEMPERATURE HERE44.0 FTEMPERATURE, REPORTED68.0 FTITLEGeyser, the columnSTATION REPORT · RWIS MTGYSTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 3 of 5DATE2026-10-16IDSR-MTGYS-3DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

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

0in

Snow on the ground

Measured at Stanford (STNM8), 5.6 miles from here, read 15 Oct, 18:00. measured daily

Elsewhere in Montana

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

Near Surprise Creek Colony

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

Near Surprise Creek Colony

River and lake gauges