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Fort Smith Regional Airport, Arkansas

Medium airport in Sebastian County, Arkansas

Air quality

The air at Fort Smith Regional Airport

Index 23, good, led by ozone. Read at 10 PM from its reporting area, Roland (OK), 13 miles off.

23Good
  • Fine particles (PM2.5)7Good9.9 mi
  • Ozone23Good25 ppb9.9 mi
  • Nitrogen dioxide1Good1.2 ppb9.9 mi

The days ahead

Yesterday measured 18, good.

Smoke, the next 46 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Fort Smith Regional Airport

0.16 in in the last 24 hours, 0.41 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.16in
Last 3 days
0.41in

Visibility

How far you can see at Fort Smith Regional Airport, the next 46 hours

Visibility stays 10 miles or more through Sat 7 PM.

FriSat

Airfield

Code
FSM
ICAO
KFSM
IATA
FSM
Field elevation
469 ft
Serves
Fort Smith
Kind
Medium airport
Scheduled service
Yes
Its own instrument
FSM
Wind now
From 300° at 14 mph, read 15 Oct, 21:53

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
07 / 258,000 ft150 ftAsphalt81° / 261°11 mph head, on 259 mph from the right
07252,500 ftN300° 14 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 Fort Smith Muni (FSM), Fort Smith Regional Airport's own instrument, measure by measure, on the field's own clock.

Temperature

75 F at 9 PM; 86 F at its warmest, 3 PM, and 72 F at its coolest, 6 AM.

Now
75F
9 PM
Highest
86F
3 PM
Lowest
72F
6 AM
Temperature and Dew point at Fort Smith Muni, temperature from 72.0 to 86.0, the latest 75.0; dew point from 69.0 to 73.0, the latest 69.0, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF657075808590Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMTEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 69 F, the air 82% saturated; the humidity ran from 61% at 2 PM to 100% at 11 PM Wednesday.

Dew point now
69F
9 PM
Humidity now
82%
Humidity, range
61 to 100%
Relative humidity at Fort Smith Muni, relative humidity from 61 to 100, the latest 82, in per cent.RELATIVE HUMIDITY%60708090100Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Wind

12 mph from the northwest at 10 PM; at its strongest 13 mph, 9 PM, with a gust of 25 mph at 9 PM.

Now
12mph
from the northwest
Strongest
13mph
9 PM
Highest gust
25mph
9 PM
Wind and Gust at Fort Smith Muni, wind from 0 to 13, the latest 12; gust from 17 to 25, the latest 17, in miles an hour.WIND AND GUSTmph0102030Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMWINDGUST
Wind direction at Fort Smith Muni, wind direction from 50 to 320, the latest 320, 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

30.08 inHg at 10 PM, rising 0.07 inHg over 3 hours; 0.10 inHg higher than a day before.

Now
30.08inHg
10 PM
3 hours
+0.07inHg
rising
24 hours
+0.10inHg
Pressure, altimeter at Fort Smith Muni, pressure, altimeter from 29.97 to 30.08, the latest 30.08, in inches of mercury.PRESSURE, ALTIMETERinHg29.9530.0030.0530.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Visibility

Down to 3 miles at 5 AM; 10 miles or more now.

Now
10+mi
Lowest
3mi
5 AM
Hours under a mile
0
Visibility at Fort Smith Muni, visibility from 2.5 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

Cloud base

The lowest cloud base came down to 600 ft at 5 AM; a base was reported in 23 of the hours.

Lowest base now
2,000ft
Lowest in 24 hours
600ft
5 AM
Hours with a base reported
23
Lowest cloud base at Fort Smith Muni, lowest cloud base from 600 to 8,500, the latest 2,000, in feet.LOWEST CLOUD BASEft02,0004,0006,0008,00010,000Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PMMVFRVFR

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

Precipitation

0.22 in measured in the gauge, the most, 0.10 in, in the hour to 5 AM.

Last 24 hours
0.22in
Wettest hour
0.10in
5 AM
Hours with some
5
Precipitation at Fort Smith Muni, precipitation from 0.00 to 0.10, the latest trace, in inches.PRECIPITATIONin0.000.030.050.070.10Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM

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

Fort Smith Muni: 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 Fort Smith 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

Fort Smith MuniFSM

At an airfield/0.0 mi away/463 ft/6 ft below here

temp, wind, gust, visibility, precip, pressure

I-540 Fort SmithARD21

Beside a road/5.8 mi away/413 ft/56 ft below here

temp, pavement temp, wind, visibility, precip

BoonevilleBNVA4

At a river or reservoir gauge/29.8 mi away/479 ft/10 ft above here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Fort Smith 1.3 SSEAR-SB-10

In a volunteer observer's own ground/1.0 mi away/493 ft/24 ft above here

precip, snowfall, snow depth

AbbottABBA4

At a cooperative observer's station/20.2 mi away/660 ft/191 ft above here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Abbott (ABBA4), 20.2 miles from here, read 15 Oct, 09:00. measured daily

Elsewhere in Arkansas

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

Near Fort Smith Regional Airport

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

Near Fort Smith Regional Airport