Temperature
54 F at 1 AM; 62 F at its warmest, 8 PM Thursday, and 54 F at its coolest, 1 AM.
- Now
- 54F
- 1 AM
- Highest
- 62F
- 8 PM Thursday
- Lowest
- 54F
- 1 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Waukegan National Airport, Illinois
Small airport in Lake County, Illinois* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Lake IL County. * WHEN...From 5 AM to 8 AM CDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
54°
56°/44°
Overcast·
Feels like 54°·Moderate breeze 13 mph WNW
Alert. A Frost Advisory is in force for Waukegan National Airport until 8 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Waukegan National Airport is 54° and overcast at 2 AM. The dew point is 51°, so the air feels dry and comfortable. Moderate breeze from the west-northwest at 13 mph.
Today and tonight. It warms to about 55° by 11 AM. Tonight falls to about 36° by 7 AM, under a mostly clear sky. Frost can form on the ground in sheltered spots. No rain is expected for the rest of the day.
The week. The warmest day ahead is Thursday, near 69°, and the coolest tomorrow, near 57°. The days ahead look dry. Frost is possible tomorrow morning, a low of 36°.
The sky tonight. The sun sets at 6:08 PM. The Moon is a waxing crescent, 33% lit, and sets at 9:56 PM. The next full Moon is Sunday, Oct 25. After dark, look for Saturn, bright in the east-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 sky is forecast to stay clear: a good night to look up. The day is 11 hours 4 minutes long, 3 minutes shorter than yesterday.
0UV Low
11Air quality
86%Humidity
99%Cloud
Now
2:00 AM
54feels54
13mph
Today
Oct 16
5644
16%
23mph
Sat
Oct 17
5736
14mph
Sun
Oct 18
6040
14mph
Mon
Oct 19
6341
overcast
Tue
Oct 20
6543
overcast
Wed
Oct 21
6748
overcast
Thu
Oct 22
6950
13%
54°
56°44°
57°36°
60°40°
63°41°
65°43°
67°48°
69°50°
As of 2:00 AM in Waukegan National Airport, Illinois.
Air quality
The air at Waukegan National Airport
Index 11, good, led by ozone. Read at 1 AM from its reporting area, Lake County (IL), 8 miles off.
11Good
- Fine particles (PM2.5)6Good-
- Ozone11Good-
The days ahead
Good each day through Mon Oct 19, led by fine particles. Yesterday measured 21, good.
GoodModerate
- 21YesterdayOct 15
- GoodTodayOct 16
- GoodSatOct 17
- GoodSunOct 18
- GoodMonOct 19
Smoke, the next 42 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Waukegan National Airport
0.35 in in the last 24 hours, 0.56 in over the last 3 days, to Fri 1 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.35in
- Last 3 days
- 0.56in
3 days agoLast 24 hours 62%
Visibility
How far you can see at Waukegan National Airport, the next 42 hours
Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 8 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- UGN
- ICAO
- KUGN
- IATA
- UGN
- Field elevation
- 727 ft
- Serves
- Chicago/Waukegan
- Kind
- Small airport
- Scheduled service
- No
- Its own instrument
- UGN
- Wind now
- From 280° at 13 mph, read 16 Oct, 01:51
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 05 / 23 | 6,001 ft | 150 ft | Asphalt | 48° / 228° | 8 mph head, on 23 | 10 mph from the right |
| 14 / 32 | 3,750 ft | 75 ft | Asphalt | 145° / 325° | 9 mph head, on 32 | 9 mph from the left |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Waukegan (UGN), Waukegan National Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 51 F, the air 90% saturated; the humidity ran from 79% at 4 AM Thursday to 100% at 1 PM Thursday.
- Dew point now
- 51F
- 1 AM
- Humidity now
- 90%
- Humidity, range
- 79 to 100%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
13 mph from the west at 2 AM; at its strongest 13 mph, 2 AM, with a gust of 25 mph at 12 AM.
- Now
- 13mph
- from the west
- Strongest
- 13mph
- 2 AM
- Highest gust
- 25mph
- 12 AM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
29.82 inHg at 2 AM, rising 0.07 inHg over 3 hours; 0.35 inHg lower than a day before.
- Now
- 29.82inHg
- 2 AM
- 3 hours
- +0.07inHg
- rising
- 24 hours
- -0.35inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 2 miles at 4 PM Thursday; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 2mi
- 4 PM Thursday
- 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 8 PM Thursday; a base was reported in 23 of the hours.
- Lowest base now
- 1,900ft
- Lowest in 24 hours
- 300ft
- 8 PM Thursday
- Hours with a base reported
- 23
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.36 in measured in the gauge, the most, 0.06 in, in the hour to 2 PM Thursday.
- Last 24 hours
- 0.36in
- Wettest hour
- 0.06in
- 2 PM Thursday
- Hours with some
- 12
How it is measured: ASOS, Field Book FB-INS-002
Waukegan: 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 Waukegan National Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.
measured now3 instruments
WaukeganUGN
At an airfield/0.3 mi away/709 ft/18 ft below here
temp, wind, gust, visibility, precip, pressure
Waukegan HarborWHRI2
At a harbour/5.9 mi away/597 ft/130 ft below here
temp, wind, gust, humidity, pressure
Miller Road BridgeIMC04
Beside a road/20.8 mi away/735 ft/8 ft above here
temp, pavement temp, wind, visibility, precip
measured daily2 instruments
Beach Park 0.9 SEIL-LK-40
In a volunteer observer's own ground/1.3 mi away/659 ft/68 ft below here
precip, snowfall, snow depth
Lake Zurich (Hydro)LKZI2
At a cooperative observer's station/18.9 mi away/807 ft/80 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Illinois
23 places, each with its own forecast and its own instruments.
AuroracityBloomingtoncityCarbondalecityChampaigncityChicagocityDanvillecityDecaturcityElgincityGalenatownIllinois RiverfeatureJolietcityLake ShelbyvillefeatureMolinecityMount VernoncityNapervillecityPeoriacityQuincycityRockfordcityShawnee National ForestfeatureSpringfieldcityStarved RockfeatureVilla Oliviaski areaWaukegancity
Near Waukegan National Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Beach Parkvillage, 1 mi
- Wadsworthvillage, 2 mi
- Zioncity, 2 mi
- Winthrop Harborvillage, 4 mi
- Waukegancity, 5 mi
- Park Citycity, 5 mi
- Gurneevillage, 5 mi
- Old Mill Creekvillage, 6 mi
- Grandwood Parkcommunity, 7 mi
- North Chicagocity, 7 mi
- Gages Lakecommunity, 8 mi
- Lindenhurstvillage, 8 mi
Airports near Waukegan National Airport
- Chicago Executive AirportPWK, 21 mi
- Chicago O'Hare International AirportORD, 31 mi
- Schaumburg Regional Airport06C, 32 mi
- Dupage AirportDPA, 41 mi
- Chicago Midway International AirportMDW, 44 mi
- DeKalb Taylor Municipal AirportDKB, 54 mi
- Aurora Municipal AirportARR, 55 mi
- Lewis University AirportLOT, 58 mi