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Walla Walla Regional Airport, Washington

Medium airport in Walla Walla County, Washington

Air quality

The air at Walla Walla Regional Airport

Index 52, moderate, led by fine particles. Read at 9 PM from its reporting area, Walla Walla (WA), 4 miles off.

52Moderate
  • Fine particles (PM2.5)52Moderate-

The days ahead

Good each day through Fri Oct 16, led by fine particles. Yesterday measured 23, good.

Smoke, the next 45 hours

Smoke near the ground peaks at index 56, moderate, Fri 11 PM.

FriSat

Precipitation

What has fallen at Walla Walla Regional Airport

None in the last 3 days, to Thu 8 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 Walla Walla Regional Airport, the next 45 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

Airfield

Code
ALW
ICAO
KALW
IATA
ALW
Field elevation
1,194 ft
Serves
Walla Walla
Kind
Medium airport
Scheduled service
Yes
Its own instrument
ALW
Wind now
From 100° at 7 mph, read 15 Oct, 20:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
02 / 206,527 ft150 ftAsphalt36° / 216°3 mph head, on 026 mph from the right
02202,000 ftN100° 7 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 Walla Walla Rgn (ALW), Walla Walla Regional Airport's own instrument, measure by measure, on the field's own clock.

Temperature

52 F at 8 PM; 68 F at its warmest, 4 PM, and 41 F at its coolest, 5 AM.

Now
52F
8 PM
Highest
68F
4 PM
Lowest
41F
5 AM
Temperature and Dew point at Walla Walla Rgn, temperature from 41.0 to 68.0, the latest 52.0; dew point from 34.0 to 41.0, the latest 39.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF3040506070Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMFREEZINGTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 39 F, the air 61% saturated; the humidity ran from 33% at 4 PM to 76% at 7 AM.

Dew point now
39F
8 PM
Humidity now
61%
Humidity, range
33 to 76%
Relative humidity at Walla Walla Rgn, relative humidity from 33 to 76, the latest 61, in per cent.RELATIVE HUMIDITY%20406080Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

7 mph from the east at 8 PM; at its strongest 7 mph, 8 PM, and no gust reported.

Now
7mph
from the east
Strongest
7mph
8 PM
Highest gust
-
none reported
Wind at Walla Walla Rgn, wind from 0 to 7, the latest 7, in miles an hour.WINDmph02468Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Wind direction at Walla Walla Rgn, wind direction from 70 to 340, the latest 100, in degrees.WIND DIRECTION°090180270360Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Pressure

30.40 inHg at 8 PM, falling 0.02 inHg over 3 hours; 0.04 inHg higher than a day before.

Now
30.40inHg
8 PM
3 hours
-0.02inHg
falling
24 hours
+0.04inHg
Pressure, altimeter at Walla Walla Rgn, pressure, altimeter from 30.36 to 30.51, the latest 30.40, in inches of mercury.PRESSURE, ALTIMETERinHg30.3530.4030.4530.5030.55Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 4 miles at 5 AM; 10 miles or more now.

Now
10+mi
Lowest
4mi
5 AM
Hours under a mile
0
Visibility at Walla Walla Rgn, visibility from 4.0 to 10.0, the latest 10.0, in miles.VISIBILITYmi02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMLIFRIFRMVFRVFR

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

Precipitation

None measured in the gauge in the last 24 hours.

Last 24 hours
0.00in
Wettest hour
-
Hours with some
0

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

Walla Walla Rgn: 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 Walla Walla Regional Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.

measured now3 instruments

Walla Walla RgnALW

At an airfield/0.0 mi away/1,204 ft/10 ft above here

temp, wind, gust, visibility, precip, pressure

SR12 At Frenchtown RdTFREN

Beside a road/10.4 mi away/656 ft/538 ft below here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Mill Creek DamMLWW1

At a dam/1.5 mi away/1,178 ft/16 ft below here

snowfall, snow depth, precip, high, low

Walla Walla 1.5 NEWA-WW-20

In a volunteer observer's own ground/1.7 mi away/1,042 ft/152 ft below here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at Mill Creek Dam (MLWW1), 1.5 miles from here, read 14 Oct, 08:00. measured daily

Elsewhere in Washington

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

Near Walla Walla Regional Airport

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

Near Walla Walla Regional Airport