Temperature
73 F at 10 PM; 81 F at its warmest, 4 PM, and 68 F at its coolest, 12 AM.
- Now
- 73F
- 10 PM
- Highest
- 81F
- 4 PM
- Lowest
- 68F
- 12 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coming up. Tomorrow is 24 degrees cooler: a high of 60° after 84° today.
Now. Centralia Municipal Airport is 72° and partly cloudy at 10 PM. The dew point is 70°, so the air feels oppressive. Light breeze from the west-southwest at 6 mph.
Today and tonight. Tonight falls to about 49° by 8 AM, with some cloud. No rain is expected for the rest of the day.
The week. The warmest day ahead is Wednesday, near 78°, and the coolest tomorrow, near 60°. The days ahead look dry. The windiest day is tomorrow, with wind to 21 mph. Frost is possible Sunday morning, a low of 33°.
The sky now. The Moon is a waxing crescent, 26% lit, and stays below the horizon until dawn. The next full Moon is Sunday, Oct 25. Look for Saturn, bright in the south-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The day is 11 hours 14 minutes long, 3 minutes shorter than yesterday.
As of 10:00 PM in Centralia Municipal Airport, Illinois.
Air quality
Index 25, good, led by ozone. Read at 10 PM from its reporting area, St. Louis (Metro-east) (IL), 48 miles off.
Highest moderate, today, led by fine particles. Yesterday measured 39, good.
No smoke near the ground through Sat 7 PM.
Precipitation
0.40 in in the last 24 hours, 0.85 in over the last 3 days, to Thu 9 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 8 miles or more through Sat 7 PM, lowest 9 miles Thu 11 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 09 / 27 | 3,300 ft | 60 ft | Asphalt | 87° / 267° | 5 mph head, on 27 | 4 mph from the left |
| 18 / 36 | 5,001 ft | 75 ft | Asphalt | 181° / 1° | 4 mph head, on 18 | 5 mph from the right |
Measured here
Every hour from Centralia (ENL), Centralia Municipal Airport's own instrument, measure by measure, on the field's own clock.
73 F at 10 PM; 81 F at its warmest, 4 PM, and 68 F at its coolest, 12 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 71 F, the air 93% saturated; the humidity ran from 72% at 4 PM to 99% at 8 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
6 mph from the southwest at 10 PM; at its strongest 14 mph, 3 PM, with a gust of 21 mph at 3 PM.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.93 inHg at 10 PM, steady over 3 hours; 0.13 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 0.3 miles at 4 AM, under a mile for 8 hours; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 200 ft at 11 PM Wednesday; a base was reported in 24 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.04 in measured in the gauge, the most, 0.01 in, in the hour to 11 PM Wednesday.
How it is measured: ASOS, Field Book FB-INS-002
Centralia: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Centralia 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
CentraliaENL
At an airfield/0.0 mi away/535 ft/1 ft above here
temp, wind, gust, visibility, precip, pressure
US 50 at GreendaleMX9208
Beside a road/22.7 mi away/-/- ft from here
temp, pavement temp, wind, visibility, precip
Big Muddy Subimpoundment AT Big Muddy SubimpoundmentBSII2
At a river or reservoir gauge/23.9 mi away/404 ft/130 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Centralia 1.6 WIL-CT-1
In a volunteer observer's own ground/3.6 mi away/492 ft/42 ft below here
precip, snowfall, snow depth
CentraliaCNTI2
At a cooperative observer's station/4.1 mi away/472 ft/62 ft below here
snowfall, snow depth, precip, high, low
-
Snow on the ground
23 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.