Storm Station
Marysville, Montana
42°
Clear· Feels like 38°·Light breeze 7 mph W
Mostly cloudy, with a high near 56. East southeast wind 1 to 5 mph.
-UV
-Air quality
40%Humidity
10%Cloud

What is measuring near here

The 5 instruments nearest Marysville, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.

measured now3 instruments

Nevada Ridge SnotelNVRM8

A snow pillow on a mountain/11.7 mi away/7,020 ft/1,585 ft above here

temp, wind, gust, humidity, pressure

Rank397of 702

Sieben I-15 MP 216MTSBN

Beside a road/13.0 mi away/4,029 ft/1,406 ft below here

temp, pavement temp, wind, visibility, precip

Rank595of 702

Helena RegionalHLN

At an airfield/18.8 mi away/3,898 ft/1,537 ft below here

temp, wind, gust, visibility, precip, pressure

Rank13of 702

measured daily2 instruments

Lincoln Ranger StationLINM8

At a fire lookout or ranger station/21.9 mi away/4,603 ft/832 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Helena Regional, drawn

The nearest airport reporting now, 18.8 mi from Marysville. From its report of Sep 27, 2026, 5:53 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 Helena Regional, 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 HLNFIG. A THE SKY OVER HELENA REGIONALSECTION, 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 MORE0510TITLEHelena Regional, the skySTATION REPORT · ASOS HLNTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-HLN-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

37.0 F with a dew point of 24.0 F, 59 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,900 ft up.

Chart of the air at Helena Regional: temperature 37.0 degrees Fahrenheit and dew point 24.0, 59 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,900 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT HLNFIG. B THE AIR AT HELENA REGIONALTHE 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 2,900 FT ABOVE THE STATION, AT 21.3 FTEMPERATURE 37.0 FDEW POINT 24.0 FSPREAD 13.0 FRELATIVE HUMIDITY 59 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 POINTTITLEHelena Regional, the airSTATION REPORT · ASOS HLNTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-HLN-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west southwest (240 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Helena Regional, north up: blowing from 240 degrees, the west southwest, 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 HLNFIG. C THE WIND AT HELENA REGIONALPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 240°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEHelena Regional, the windSTATION REPORT · ASOS HLNTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-HLN-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Helena Regional, 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 Marysville

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