Storm Station
Lyons, Colorado
61° 82°/59°
Clear· Feels like 61°·Gentle breeze 8 mph NNW
Partly cloudy. Low around 51, with temperatures rising to around 53 overnight. West northwest wind around 6 mph.
0UV Low
30Air quality
34%Humidity
0%Cloud
Now
2:15 AM
61feels61
now, clear
Today
Sep 27
8259
13%
27mph
UV 6
drizzle light
Mon
Sep 28
7858
22%
20mph
overcast
Tue
Sep 29
6655
59%
overcast
Wed
Sep 30
7653
41%
21mph
overcast
Thu
Oct 1
6845
28%
12mph
UV 6
overcast
Fri
Oct 2
7644
UV 6
clear day
Sat
Oct 3
8854
25%
19mph
UV 6
overcast
61°
82°59°
78°58°
66°55°
76°53°
68°45°
76°44°
88°54°

As of 2:15 AM in Lyons, Colorado.

What is measuring near here

The 6 instruments nearest Lyons, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.2 miles away.

measured now4 instruments

Saint Vrain Creek 1 SE LyonsLNSC2

At a river or reservoir gauge/0.3 mi away/5,417 ft/80 ft above here

temp, wind, gust, humidity, pressure

Rank246of 1,384

Longmont/VbrandLMO

At an airfield/6.8 mi away/5,056 ft/281 ft below here

temp, wind, gust, visibility, precip, pressure

Rank942of 1,384

Lily Lake (35)CO045

Beside a road/15.4 mi away/8,920 ft/3,583 ft above here

temp, pavement temp, wind, visibility, precip

Rank1,238of 1,384

Boulder 14 W94075

At a climate reference station/19.6 mi away/9,828 ft/4,491 ft above here

temp, humidity, wind, solar, precip

Rank-

measured daily2 instruments

Lyons 0.3 NNECO-BO-146

In a volunteer observer's own ground/0.2 mi away/5,399 ft/62 ft above here

precip, snowfall, snow depth

Rank-

Lyons 7STHUC2

At a cooperative observer's station/7.0 mi away/5,735 ft/398 ft above here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Longmont/Vbrand, drawn

The nearest airport reporting now, 6.8 mi from Lyons. From its report of Sep 27, 2026, 2:15 AM local time: 3 of its 6 sheets.

The sky

No cloud below 12,000 ft; visibility 7 mi.

Section of the sky over Longmont/Vbrand, height above the station to scale: no cloud detected below 12,000 feet, the reach of its ceilometer, and visibility of 7 mi.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LMOFIG. A THE SKY OVER LONGMONT/VBRANDSECTION, 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: 7 MI0510TITLELongmont/Vbrand, the skySTATION REPORT · ASOS LMOTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-LMO-1DRAWN AS linework on paperSOURCES FB-SKY-001

The air

59.7 F with a dew point of 38.5 F, 45 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 4,800 ft up.

Chart of the air at Longmont/Vbrand: temperature 59.7 degrees Fahrenheit and dew point 38.5, 45 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 4,800 feet above the station; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT LMOFIG. B THE AIR AT LONGMONT/VBRANDTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,00020 F30 F40 F50 F60 F70 FSATURATES 4,800 FT ABOVE THE STATION, AT 34.0 FTEMPERATURE 59.7 FDEW POINT 38.5 FSPREAD 21.2 FRELATIVE HUMIDITY 45 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 POINTTITLELongmont/Vbrand, the airSTATION REPORT · ASOS LMOTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-LMO-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west (280 degrees) at 6 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Longmont/Vbrand, north up: blowing from 280 degrees, the west, 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 LMOFIG. C THE WIND AT LONGMONT/VBRANDPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 280°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 6 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLELongmont/Vbrand, the windSTATION REPORT · ASOS LMOTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-LMO-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Longmont/Vbrand, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Lyons 7S (THUC2), 7.0 miles from here, read 25 Sep, 07:00. measured daily

Elsewhere in Colorado

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

Near Lyons

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