Temperature
51 F at 3 AM; 62 F at its warmest, 6 PM Thursday, and 51 F at its coolest, 3 AM.
- Now
- 51F
- 3 AM
- Highest
- 62F
- 6 PM Thursday
- Lowest
- 51F
- 3 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Chicago Rockford International Airport, Illinois
Medium airport in Winnebago County, Illinois* WHAT...Sub-freezing temperatures are expected. * WHERE...Boone, Ogle, and Winnebago Counties. * WHEN...From 5 AM to 8 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
50°
55°/44°
Overcast·
Feels like 44°·Moderate breeze 18 mph WNW
Alert. A Freeze Warning is in force for Chicago Rockford International Airport until 8 AM tomorrow. Read the alert in full, and see what it means in the Field Book.
Now. Chicago Rockford International Airport is 50° and overcast at 3 AM. With the wind it feels like 44°. The dew point is 45°, so the air feels dry and comfortable. Moderate breeze from the west-northwest at 18 mph, gusting to 36 mph.
Today and tonight. It warms to about 54° by 12 PM. Tonight falls to about 31° by 7 AM, under a mostly clear sky. A freeze: protect plants and pipes. No rain is expected for the rest of the day.
The week. The warmest day ahead is Thursday, near 73°, and the coolest tomorrow, near 57°. The days ahead look dry. The first freeze could come tomorrow, a low of 31°.
The sky tonight. The sun sets at 6:13 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:03 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
15Air quality
80%Humidity
100%Cloud
Now
3:00 AM
50feels44
18mph
Today
Oct 16
5544
11%
18mph
Sat
Oct 17
5731
clear day
Sun
Oct 18
6237
14mph
Mon
Oct 19
6738
overcast
Tue
Oct 20
7041
overcast
Wed
Oct 21
7243
overcast
Thu
Oct 22
7348
10%
50°
55°44°
57°31°
62°37°
67°38°
70°41°
72°43°
73°48°
As of 3:00 AM in Chicago Rockford International Airport, Illinois.
Air quality
The air at Chicago Rockford International Airport
Index 15, good, led by ozone. Read at 3 AM from its reporting area, Rockford (IL), 10 miles off.
15Good
- Fine particles (PM2.5)6Good-
- Ozone15Good22 ppb9.9 mi
The days ahead
Good each day through Mon Oct 19, led by fine particles. Yesterday measured 18, good.
GoodModerate
- 18YesterdayOct 15
- GoodTodayOct 16
- GoodSatOct 17
- GoodSunOct 18
- GoodMonOct 19
Smoke, the next 41 hours
No smoke near the ground through Sat 7 PM.
Precipitation
What has fallen at Chicago Rockford International Airport
0.32 in in the last 24 hours, 0.46 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.32in
- Last 3 days
- 0.46in
3 days agoLast 24 hours 70%
Visibility
How far you can see at Chicago Rockford International Airport, the next 41 hours
Visibility stays 8 miles or more through Sat 7 PM, lowest 8 miles Sat 8 AM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- RFD
- ICAO
- KRFD
- IATA
- RFD
- Field elevation
- 742 ft
- Serves
- Chicago/Rockford
- Kind
- Medium airport
- Scheduled service
- Yes
- Its own instrument
- RFD
- Wind now
- From 280° at 21 mph, read 16 Oct, 02:54
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 01 / 19 | 8,200 ft | 150 ft | Asphalt | 5° / 185° | 2 mph head, on 01 | 21 mph from the left |
| 07 / 25 | 10,002 ft | 150 ft | Asphalt and concrete | 65° / 245° | 17 mph head, on 25 | 12 mph from the right |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Rockford (RFD), Chicago Rockford International Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 45 F, the air 80% saturated; the humidity ran from 80% at 3 AM to 97% at 6 PM Thursday.
- Dew point now
- 45F
- 3 AM
- Humidity now
- 80%
- Humidity, range
- 80 to 97%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
16 mph from the west at 3 AM; at its strongest 21 mph, 1 AM, with a gust of 36 mph at 3 AM.
- Now
- 16mph
- from the west
- Strongest
- 21mph
- 1 AM
- Highest gust
- 36mph
- 3 AM
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
29.96 inHg at 3 AM, rising 0.06 inHg over 3 hours; 0.18 inHg lower than a day before.
- Now
- 29.96inHg
- 3 AM
- 3 hours
- +0.06inHg
- rising
- 24 hours
- -0.18inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 2 miles at 5 PM Thursday; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 2mi
- 5 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 500 ft at 6 PM Thursday; a base was reported in 23 of the hours.
- Lowest base now
- 1,400ft
- Lowest in 24 hours
- 500ft
- 6 PM Thursday
- Hours with a base reported
- 23
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.37 in measured in the gauge, the most, 0.17 in, in the hour to 1 PM Thursday.
- Last 24 hours
- 0.37in
- Wettest hour
- 0.17in
- 1 PM Thursday
- Hours with some
- 18
How it is measured: ASOS, Field Book FB-INS-002
Rockford: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 6 instruments nearest Chicago Rockford International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.
measured now4 instruments
RockfordRFD
At an airfield/0.6 mi away/722 ft/20 ft below here
temp, wind, gust, visibility, precip, pressure
Harmony @ GenoaIMC01
Beside a road/20.6 mi away/830 ft/88 ft above here
temp, pavement temp, wind, visibility, precip
ShabbonaSBNI2
At a river or reservoir gauge/27.4 mi away/863 ft/121 ft above here
temp, wind, gust, humidity, pressure
Shabbona 5 NNE54811
At a climate reference station/27.6 mi away/861 ft/119 ft above here
temp, humidity, wind, solar, precip
measured daily2 instruments
Rockford 3.8 SIL-WN-43
In a volunteer observer's own ground/2.1 mi away/768 ft/26 ft above here
precip, snowfall, snow depth
Belvidere 1WBELI2
At a cooperative observer's station/12.6 mi away/751 ft/9 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 Chicago Rockford International Airport
The nearest places, each with its own forecast and the instruments nearest it.
- New Milfordvillage, 2 mi
- Rockfordcity, 5 mi
- Davis Junctionvillage, 7 mi
- Stillman Valleyvillage, 8 mi
- Cherry Valleyvillage, 8 mi
- Monroe Centervillage, 8 mi
- Winnebagovillage, 9 mi
- Holcombcommunity, 9 mi
- Byroncity, 10 mi
- Loves Parkcity, 10 mi
- Machesney Parkvillage, 11 mi
- Westlake Villagecommunity, 13 mi
Airports near Chicago Rockford International Airport
- Rochelle Municipal Airport - Koritz FieldRPJ, 21 mi
- Albertus AirportFEP, 25 mi
- DeKalb Taylor Municipal AirportDKB, 27 mi
- Whiteside County Airport - Joseph H Bittorf FieldSQI, 43 mi
- Aurora Municipal AirportARR, 43 mi
- Dupage AirportDPA, 48 mi
- Tri Township AirportSFY, 53 mi
- Schaumburg Regional Airport06C, 53 mi