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Grand Junction Regional Airport, Colorado

Medium airport in Mesa County, Colorado

Air quality

The air at Grand Junction Regional Airport

Index 28, good, led by ozone. Read at 12 AM from its reporting area, Grand Junction (CO), 5 miles off.

28Good
  • Fine particles (PM2.5)11Good-
  • Ozone28Good23 ppb11.6 mi
  • Coarse particles (PM10)4Good-

The days ahead

Good each day through Today, led by fine particles. Yesterday measured 48, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 6 PM.

FriSat

Precipitation

What has fallen at Grand Junction Regional Airport

0.08 in in the last 24 hours, 0.63 in over the last 3 days, to Fri 12 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.08in
Last 3 days
0.63in

Visibility

How far you can see at Grand Junction Regional Airport, the next 42 hours

Visibility stays 10 miles or more through Sat 6 PM.

FriSat

Airfield

Code
GJT
ICAO
KGJT
IATA
GJT
Field elevation
4,858 ft
Serves
Grand Junction
Kind
Medium airport
Scheduled service
Yes
Its own instrument
GJT
Wind now
From 30° at 18 mph, read 15 Oct, 23:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
04 / 225,501 ft75 ftAsphalt55° / 235°16 mph head, on 048 mph from the left
11 / 299,339 ft150 ftAsphalt125° / 305°2 mph head, on 2918 mph from the right
042211292,500 ftN30° 18 mph
Runways from their surveyed ends, north up, lengths and positions to scale; the rose in the corner is the wind now.

Measured here

What the airfield's own instrument measured, the last 24 hours

Every hour from Grand Junction (GJT), Grand Junction Regional Airport's own instrument, measure by measure, on the field's own clock.

Temperature

54 F at 12 AM; 60 F at its warmest, 3 PM Thursday, and 43 F at its coolest, 2 AM Thursday.

Now
54F
12 AM
Highest
60F
3 PM Thursday
Lowest
43F
2 AM Thursday
Temperature and Dew point at Grand Junction, temperature from 43.0 to 60.0, the latest 54.0; dew point from 31.0 to 42.0, the latest 31.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF304050603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16FREEZINGTEMPERATUREDEW POINT

How it is measured: Stevenson screen and siting, Field Book FB-INS-009

Humidity and dew point

A dew point of 31 F, the air 41% saturated; the humidity ran from 41% at 12 AM to 96% at 2 AM Thursday.

Dew point now
31F
12 AM
Humidity now
41%
Humidity, range
41 to 96%
Relative humidity at Grand Junction, relative humidity from 41 to 96, the latest 41, in per cent.RELATIVE HUMIDITY%4060801003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Humidity variables, Field Book FB-WAT-002

Wind

14 mph from the east northeast at 12 AM; at its strongest 14 mph, 12 AM, with a gust of 29 mph at 12 AM.

Now
14mph
from the east northeast
Strongest
14mph
12 AM
Highest gust
29mph
12 AM
Wind and Gust at Grand Junction, wind from 0 to 14, the latest 14; gust from 18 to 29, the latest 29, in miles an hour.WIND AND GUSTmph01020303 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Grand Junction, wind direction from 10 to 360, the latest 70, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Coriolis as geometry, Field Book FB-ENG-008

Pressure

30.59 inHg at 12 AM, rising 0.03 inHg over 3 hours; 0.34 inHg higher than a day before.

Now
30.59inHg
12 AM
3 hours
+0.03inHg
rising
24 hours
+0.34inHg
Pressure, altimeter at Grand Junction, pressure, altimeter from 30.25 to 30.59, the latest 30.59, in inches of mercury.PRESSURE, ALTIMETERinHg30.2030.3030.4030.5030.603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: Hydrostatic balance, Field Book FB-ENG-003

Visibility

10 miles or more every hour.

Now
10+mi
Lowest
10+mi
Hours under a mile
0
Visibility at Grand Junction, visibility from 10.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.5103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

How it is measured: Fog types, Field Book FB-WAT-020

Cloud base

The lowest cloud base came down to 400 ft at 2 AM Thursday; a base was reported in 12 of the hours.

Lowest base now
-
Lowest in 24 hours
400ft
2 AM Thursday
Hours with a base reported
12
Lowest cloud base at Grand Junction, lowest cloud base from 400 to 5,000, the latest 5,000, in feet.LOWEST CLOUD BASEft02,0004,0006,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16MVFRVFR

How it is measured: Cloud classification, Field Book FB-SKY-001

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
0.00in
2 AM Thursday
Hours with some
1
Precipitation at Grand Junction, precipitation from 0.00 to trace, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

How it is measured: ASOS, Field Book FB-INS-002

Grand Junction: every reading, the last 7 days, 30 days and the year, and how well it reports

What is measuring near here

The 5 instruments nearest Grand Junction Regional Airport, 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 now3 instruments

Grand JunctionGJT

At an airfield/0.8 mi away/4,839 ft/19 ft below here

temp, wind, gust, visibility, precip, pressure

Fruitvale - East JunctionEJHC2

At a river or reservoir gauge/4.5 mi away/4,629 ft/229 ft below here

temp, wind, gust, humidity, pressure

Palisade (6)CO097

Beside a road/11.1 mi away/4,697 ft/161 ft below here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Grand Junction 3.8 NNECO-ME-9

In a volunteer observer's own ground/0.4 mi away/4,816 ft/42 ft below here

precip, snowfall, snow depth

Grand Junction WFOGJUC2

At a cooperative observer's station/0.6 mi away/4,827 ft/31 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Grand Junction WFO (GJUC2), 0.6 miles from here, read 15 Oct, 23:59. measured daily

Elsewhere in Colorado

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

Near Grand Junction Regional Airport

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

Near Grand Junction Regional Airport