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Pontiac Municipal Airport, Illinois

Small airport in Livingston County, Illinois

Air quality

The air at Pontiac Municipal Airport

Index 13, good, led by fine particles. Read at 1 AM from its reporting area, Bloomington and Normal (IL), 17 miles off.

13Good
  • Fine particles (PM2.5)13Good-
  • Ozone6Good-

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 29, good.

Smoke, the next 42 hours

No smoke near the ground through Sat 7 PM.

FriSat

Precipitation

What has fallen at Pontiac Municipal Airport

0.08 in in the last 24 hours, 0.20 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
0.20in

Visibility

How far you can see at Pontiac Municipal Airport, the next 42 hours

Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Fri 1 PM.

FriSat

Airfield

Code
PNT
ICAO
KPNT
IATA
-
Field elevation
666 ft
Serves
Pontiac
Kind
Small airport
Scheduled service
No
Its own instrument
PNT
Wind now
From 300° at 26 mph, read 16 Oct, 01:55

Runways

RunwayLengthWidthSurfaceHeading, trueWind along it nowCrosswind now
06 / 245,000 ft75 ftAsphalt59° / 239°13 mph head, on 2423 mph from the right
06242,000 ftN300° 26 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 Pontiac (PNT), Pontiac Municipal Airport's own instrument, measure by measure, on the field's own clock.

Temperature

54 F at 1 AM; 73 F at its warmest, 2 PM Thursday, and 54 F at its coolest, 1 AM.

Now
54F
1 AM
Highest
73F
2 PM Thursday
Lowest
54F
1 AM
Temperature and Dew point at Pontiac, temperature from 54.0 to 72.9, the latest 54.0; dew point from 51.3 to 71.1, the latest 51.3, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF506070803 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 51 F, the air 90% saturated; the humidity ran from 79% at 1 PM Thursday to 100% at 5 PM Thursday.

Dew point now
51F
1 AM
Humidity now
90%
Humidity, range
79 to 100%
Relative humidity at Pontiac, relative humidity from 79 to 100, the latest 90, 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

23 mph from the west northwest at 1 AM; at its strongest 23 mph, 1 AM, with a gust of 37 mph at 1 AM.

Now
23mph
from the west northwest
Strongest
23mph
1 AM
Highest gust
37mph
1 AM
Wind and Gust at Pontiac, wind from 5 to 23, the latest 23; gust from 12 to 37, the latest 37, in miles an hour.WIND AND GUSTmph0102030403 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Pontiac, wind direction from 70 to 300, the latest 300, 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

29.96 inHg at 1 AM, rising 0.08 inHg over 3 hours; 0.17 inHg lower than a day before.

Now
29.96inHg
1 AM
3 hours
+0.08inHg
rising
24 hours
-0.17inHg
Pressure, altimeter at Pontiac, pressure, altimeter from 29.81 to 30.13, the latest 29.96, in inches of mercury.PRESSURE, ALTIMETERinHg29.8029.9030.0030.1030.203 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16

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

Visibility

Down to 3 miles at 4 PM Thursday; 10 miles or more now.

Now
10+mi
Lowest
3mi
4 PM Thursday
Hours under a mile
0
Visibility at Pontiac, visibility from 2.5 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 5 PM Thursday; a base was reported in 22 of the hours.

Lowest base now
-
Lowest in 24 hours
400ft
5 PM Thursday
Hours with a base reported
22
Lowest cloud base at Pontiac, lowest cloud base from 400 to 3,400, the latest 1,300, in feet.LOWEST CLOUD BASEft01,0002,0003,0004,0003 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16LIFRIFRMVFRVFR

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
-
Hours with some
0

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

Pontiac: 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 Pontiac Municipal 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

PontiacPNT

At an airfield/0.0 mi away/659 ft/7 ft below here

temp, wind, gust, visibility, precip, pressure

MarseillesMMPI2

At a river or reservoir gauge/28.9 mi away/486 ft/180 ft below here

temp, wind, gust, humidity, pressure

measured daily2 instruments

Pontiac 0.9 NIL-LV-2

In a volunteer observer's own ground/2.5 mi away/636 ft/30 ft below here

precip, snowfall, snow depth

Fairbury WWTPFRBI2

At a water treatment plant/13.6 mi away/669 ft/3 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Illinois

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

Near Pontiac Municipal Airport

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

Near Pontiac Municipal Airport