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Sun Prairie, Montana

Community in Cascade County, Montana

Air quality

The air at Sun Prairie

Index 3, good, led by fine particles. Read at 9 PM from its reporting area, Choteau (MT), 38 miles off.

3Good
  • Fine particles (PM2.5)3Good-

The days ahead

Yesterday measured 18, good.

Smoke, the next 45 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 Sun Prairie

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 Sun Prairie, the next 45 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

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

What is measuring near here

The 6 instruments nearest Sun Prairie, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now4 instruments

measured daily2 instruments

Great Falls MtTFX

At a cooperative observer's station/7.6 mi away/3,701 ft/357 ft above here

snowfall, snow depth, precip, high, low

Rank63of 1,053

Great Falls 1.9 WNWMT-CC-22

In a volunteer observer's own ground/8.0 mi away/3,371 ft/27 ft above here

precip, snowfall, snow depth

Rank-

Station report

The weather at Great Falls INTL, drawn

The nearest airport reporting now, 7.0 mi from Sun Prairie, Montana. From its report of Oct 15, 2026, 9:53 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 Great Falls INTL, 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 GTFFIG. A THE SKY OVER GREAT FALLS INTLSECTION, 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 MORE0510TITLEGreat Falls INTL, the skySTATION REPORT · ASOS GTFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-GTF-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

39.0 F with a dew point of 30.0 F, 70 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,000 ft up.

Chart of the air at Great Falls INTL: temperature 39.0 degrees Fahrenheit and dew point 30.0, 70 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,000 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GTFFIG. B THE AIR AT GREAT FALLS INTLTHE 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 2,000 FT ABOVE THE STATION, AT 28.1 FTEMPERATURE 39.0 FDEW POINT 30.0 FSPREAD 9.0 FRELATIVE HUMIDITY 70 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 POINTTITLEGreat Falls INTL, the airSTATION REPORT · ASOS GTFTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-GTF-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the southeast (140 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 17 mph.

Plan of the wind at Great Falls INTL, north up: blowing from 140 degrees, the southeast, at 7 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 GTFFIG. C THE WIND AT GREAT FALLS INTLPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 140°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGreat Falls INTL, the windSTATION REPORT · ASOS GTFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-GTF-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Great Falls INTL, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Great Falls Mt (TFX), 7.6 miles from here, read 14 Oct, 23:59. measured daily

Elsewhere in Montana

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

Near Sun Prairie

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

Near Sun Prairie

River and lake gauges