Storm Station
Sun River, Montana
39° 63°/36°
Clear· Feels like 35°·Light breeze 5 mph SSE
Partly cloudy, with a low around 33. West southwest wind around 2 mph.
0UV Low
33Air quality
45%Humidity
2%Cloud
Now
2:15 AM
39feels35
now, clear
Today
Sep 27
6336
overcast
Mon
Sep 28
7346
overcast
Tue
Sep 29
7051
23mph
overcast
Wed
Sep 30
6249
20mph
overcast
Thu
Oct 1
6942
overcast
Fri
Oct 2
8153
10%
16mph
overcast
Sat
Oct 3
6650
14%
mostly clear day
39°
63°36°
73°46°
70°51°
62°49°
69°42°
81°53°
66°50°

As of 2:15 AM in Sun River, Montana.

What is measuring near here

The 5 instruments nearest Sun River, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 7.5 miles away.

measured now3 instruments

Greenfields Weather StationGFWM8

At a river or reservoir gauge/9.8 mi away/3,802 ft/388 ft above here

temp, wind, gust, humidity, pressure

Rank349of 702

Great Falls INTLGTF

At an airfield/16.3 mi away/3,658 ft/244 ft above here

temp, wind, gust, visibility, precip, pressure

Rank13of 702

Bowmans MT-200 MP 110.4MTBOW

Beside a road/26.0 mi away/4,222 ft/808 ft above here

temp, pavement temp, wind, visibility, precip

Rank642of 702

measured daily2 instruments

Fairfield 6.0 ESEMT-CC-17

In a volunteer observer's own ground/7.5 mi away/4,065 ft/651 ft above here

precip, snowfall, snow depth

Rank-

FairfieldFFDM8

At a cooperative observer's station/13.6 mi away/3,986 ft/572 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Great Falls INTL, drawn

The nearest airport reporting now, 16.3 mi from Sun River. From its report of Sep 27, 2026, 1:53 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 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 6DATE2026-09-27IDSR-GTF-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

37.0 F with a dew point of 25.0 F, 62 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,700 ft up.

Chart of the air at Great Falls INTL: temperature 37.0 degrees Fahrenheit and dew point 25.0, 62 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,700 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 STATION01,0002,0003,0004,00010 F20 F30 F40 F50 FSATURATES 2,700 FT ABOVE THE STATION, AT 22.5 FTEMPERATURE 37.0 FDEW POINT 25.0 FSPREAD 12.0 FRELATIVE HUMIDITY 62 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 6DATE2026-09-27IDSR-GTF-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (340 degrees) at 5 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Great Falls INTL, north up: blowing from 340 degrees, the north northwest, at 5 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 340°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 5 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEGreat Falls INTL, the windSTATION REPORT · ASOS GTFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-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

-in

Snow on the ground

Elsewhere in Montana

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

Near Sun River

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