Temperature
78 F at 10 PM; 92 F at its warmest, 4 PM, and 74 F at its coolest, 6 AM.
- Now
- 78F
- 10 PM
- Highest
- 92F
- 4 PM
- Lowest
- 74F
- 6 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Cairo Regional Airport, Illinois
Small airport in Alexander County, Illinois76°
89°/68°
Clear·
Feels like 76°·Light breeze 5 mph WSW
Coming up. Tomorrow is 26 degrees cooler: a high of 63° after 89° today.
Now. Cairo Regional Airport is 76° and clear at 11 PM. The dew point is 58°, so the air feels a little humid. Light breeze from the west-southwest at 5 mph.
Today and tonight. Tonight falls to about 54° by 7 AM, with some cloud. No rain is expected for the rest of the day.
The week. The warmest day ahead is Wednesday, near 77°, and the coolest Saturday, near 62°. Rain is possible tomorrow (43%).
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 17 minutes long, 2 minutes shorter than yesterday.
0UV Low
44Air quality
51%Humidity
3%Cloud
Now
11:00 PM
76feels76
now, clear
Today
Oct 15
8968
15%
UV 6
Fri
Oct 16
6352
43%
15mph
Sat
Oct 17
6243
UV 7
Sun
Oct 18
6737
UV 7
Mon
Oct 19
7141
overcast
Tue
Oct 20
7543
overcast
Wed
Oct 21
7745
overcast
76°
89°68°
63°52°
62°43°
67°37°
71°41°
75°43°
77°45°
As of 11:00 PM in Cairo Regional Airport, Illinois.
Air quality
The air at Cairo Regional Airport
Index 44, good, led by fine particles. Read at 10 PM from its reporting area, Paducah (KY), 36 miles off.
44Good
- Fine particles (PM2.5)44Good-
- Ozone43Good-
The days ahead
Yesterday measured 34, good.
GoodModerate
- 34YesterdayOct 14
Smoke, the next 45 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Cairo Regional Airport
None in the last 24 hours; 0.07 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.07in
3 days agoLast 24 hours 0%
Visibility
How far you can see at Cairo Regional Airport, the next 45 hours
Visibility stays 10 miles or more through Sat 7 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- CIR
- ICAO
- KCIR
- IATA
- CIR
- Field elevation
- 321 ft
- Serves
- Cairo
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- CIR
- Wind now
- From 240° at 6 mph, read 15 Oct, 22:55
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 02 / 20 | 3,200 ft | 60 ft | Asphalt | 21° / 201° | 5 mph head, on 20 | 4 mph from the right |
| 14 / 32 | 4,001 ft | 100 ft | Asphalt | 140° / 320° | 1 mph head, on 32 | 6 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Cairo (CIR), Cairo Regional Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 59 F, the air 51% saturated; the humidity ran from 39% at 4 PM to 100% at 6 AM.
- Dew point now
- 59F
- 10 PM
- Humidity now
- 51%
- Humidity, range
- 39 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
4 mph from the west southwest at 10 PM; at its strongest 13 mph, 3 PM, with a gust of 23 mph at 3 PM.
- Now
- 4mph
- from the west southwest
- Strongest
- 13mph
- 3 PM
- Highest gust
- 23mph
- 3 PM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
29.97 inHg at 10 PM, steady over 3 hours; 0.07 inHg lower than a day before.
- Now
- 29.97inHg
- 10 PM
- 3 hours
- +0.02inHg
- steady
- 24 hours
- -0.07inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 4 miles at 7 AM; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 4mi
- 7 AM
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 300 ft at 7 AM; a base was reported in 19 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 300ft
- 7 AM
- Hours with a base reported
- 19
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
Cairo: 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 Cairo 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
CairoCIR
At an airfield/0.0 mi away/321 ft/level with here
temp, wind, gust, visibility, precip, pressure
Bean Ridge RAWSBNRI2
A remote fire weather station/15.4 mi away/714 ft/393 ft above here
temp, wind, gust, humidity, pressure
146 @ McClureSS0235
Beside a road/22.4 mi away/-/- ft from here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Cairo 0.8 NIL-AL-2
In a volunteer observer's own ground/4.5 mi away/313 ft/8 ft below here
precip, snowfall, snow depth
Grand Chain Dam 53GCTI2
At a dam/13.6 mi away/384 ft/63 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
0in
Snow on the ground
Measured at Grand Chain Dam 53 (GCTI2), 13.6 miles from here, read 15 Oct, 06:00. measured daily
Elsewhere in Illinois
23 places, each with its own forecast and its own instruments.
AuroracityBloomingtoncityCarbondalecityChampaigncityChicagocityDanvillecityDecaturcityElgincityGalenatownIllinois RiverfeatureJolietcityLake ShelbyvillefeatureMolinecityMount VernoncityNapervillecityPeoriacityQuincycityRockfordcityShawnee National ForestfeatureSpringfieldcityStarved RockfeatureVilla Oliviaski areaWaukegancity
Near Cairo Regional Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Mound Citycity, 3 mi
- Moundscity, 4 mi
- Cairocity, 4 mi
- Unitycommunity, 7 mi
- Pulaskivillage, 10 mi
- Olive Branchcommunity, 11 mi
- Olmstedvillage, 11 mi
- Tammsvillage, 12 mi
- Ullinvillage, 15 mi
- Thebesvillage, 17 mi
- New Grand Chainvillage, 17 mi
- Mill Creekvillage, 19 mi
Airports near Cairo Regional Airport
- Metropolis Municipal AirportM30, 27 mi
- Veterans Airport of Southern IllinoisMWA, 49 mi
- Southern Illinois AirportMDH, 49 mi
- Harrisburg-Raleigh AirportHSB, 63 mi
- Sparta Community Airport - Hunter FieldSAR, 79 mi
- Mount Vernon Outland AirportMVN, 89 mi
- Centralia Municipal AirportENL, 100 mi
- Fairfield Municipal AirportFWC, 101 mi