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Mount Vernon Outland Airport, Illinois

Small airport in Jefferson County, Illinois

Air quality

The air at Mount Vernon Outland Airport

Index 15, good, led by ozone. Read at 1 AM from its reporting area, Farrar (MO), 62 miles off.

15Good
  • Ozone15Good-

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Mount Vernon Outland Airport

0.08 in in the last 24 hours, 1.50 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.08in
Last 3 days
1.50in

Visibility

How far you can see at Mount Vernon Outland Airport, the next 42 hours

Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 2 AM.

FriSat

Airfield

Code
MVN
ICAO
KMVN
IATA
MVN
Field elevation
480 ft
Serves
Mount Vernon
Kind
Small airport
Scheduled service
No
Its own instrument
MVN
Wind now
Variable at 7 mph, read 16 Oct, 02:04

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
05 / 236,496 ft150 ftAsphalt50° / 230°--
15 / 333,146 ft100 ftAsphalt150° / 330°--
052315332,000 ftN
Runways from their surveyed ends, north up, lengths and positions to scale.

Measured here

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

Every hour from Mount Vernon (MVN), Mount Vernon Outland Airport's own instrument, measure by measure, on the field's own clock.

Temperature

61 F at 2 AM; 82 F at its warmest, 4 PM Thursday, and 61 F at its coolest, 2 AM.

Now
61F
2 AM
Highest
82F
4 PM Thursday
Lowest
61F
2 AM
Temperature and Dew point at Mount Vernon, temperature from 60.8 to 82.0, the latest 60.8; dew point from 55.2 to 76.0, the latest 55.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF50607080903 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16TEMPERATUREDEW POINT

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

Humidity and dew point

A dew point of 55 F, the air 82% saturated; the humidity ran from 77% at 4 PM Thursday to 100% at 4 AM Thursday.

Dew point now
55F
2 AM
Humidity now
82%
Humidity, range
77 to 100%
Relative humidity at Mount Vernon, relative humidity from 77 to 100, the latest 82, in per cent.RELATIVE HUMIDITY%7080901003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Wind

7 mph at 2 AM; at its strongest 10 mph, 12 AM, with a gust of 24 mph at 1 AM.

Now
7mph
Strongest
10mph
12 AM
Highest gust
24mph
1 AM
Wind and Gust at Mount Vernon, wind from 0 to 10, the latest 7; gust from 22 to 24, the latest 24, in miles an hour.WIND AND GUSTmph01020303 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Mount Vernon, wind direction from 40 to 360, the latest 310, 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

30.03 inHg at 2 AM, rising 0.09 inHg over 3 hours; 0.03 inHg lower than a day before.

Now
30.03inHg
2 AM
3 hours
+0.09inHg
rising
24 hours
-0.03inHg
Pressure, altimeter at Mount Vernon, pressure, altimeter from 29.91 to 30.06, the latest 30.03, in inches of mercury.PRESSURE, ALTIMETERinHg29.9029.9530.0030.0530.103 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 0.3 miles at 7 AM Thursday, under a mile for 3 hours; 10 miles or more now.

Now
10+mi
Lowest
0.3mi
7 AM Thursday
Hours under a mile
3
Visibility at Mount Vernon, visibility from 0.3 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 200 ft at 5 AM Thursday; a base was reported in 23 of the hours.

Lowest base now
1,700ft
Lowest in 24 hours
200ft
5 AM Thursday
Hours with a base reported
23
Lowest cloud base at Mount Vernon, lowest cloud base from 200 to 9,000, the latest 1,700, in feet.LOWEST CLOUD BASEft02,5005,0007,50010,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16MVFRVFR

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

Precipitation

0.03 in measured in the gauge, the most, 0.01 in, in the hour to 9 AM Thursday.

Last 24 hours
0.03in
Wettest hour
0.01in
9 AM Thursday
Hours with some
4
Precipitation at Mount Vernon, precipitation from 0.00 to 0.01, 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

Mount Vernon: 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 Mount Vernon Outland Airport, 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

Mount VernonMVN

At an airfield/0.1 mi away/479 ft/1 ft below here

temp, wind, gust, visibility, precip, pressure

US 50 at GreendaleMX9208

Beside a road/22.9 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Mount Vernon 2.2 ESEIL-JF-15

In a volunteer observer's own ground/1.2 mi away/454 ft/26 ft below here

precip, snowfall, snow depth

WaltonvilleWLTI2

At a cooperative observer's station/11.5 mi away/443 ft/37 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Waltonville (WLTI2), 11.5 miles from here, read 15 Oct, 14:00. measured daily

Elsewhere in Illinois

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

Near Mount Vernon Outland Airport

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

Near Mount Vernon Outland Airport