Station List

Station OKSI2 - Oak St., Chicago, IL Image indicating link to RSS feed of recent meteorological observations for station OKSI2

Owned and maintained by Chicago Park District
C-MAN Station
41.912 N 87.624 W (41°54'44" N 87°37'25" W)

Site elevation: 179 m above mean sea level

Search And Rescue (SAR) Data

Meteorological Observations from Nearby Stations and Ships Image indicating link to RSS feed of recent meteorological observations near station OKSI2

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yellow diamond Stations with recent data
red diamond Stations with no data in last 8 hours
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Conditions at OKSI2 as of
(2:00 am CDT)
0700 GMT on 05/01/2026:
Note: This report is more than two hours old
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Wind Direction Wind Direction (WDIR):ENE ( 60 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 6 kts
5-day plot - Wind Gust Wind Gust (GST): 7 kts
5-day plot - Air Temperature Air Temperature (ATMP): 43.5 °F
5-day plot - Wind Chill Wind Chill (CHILL): 39.4 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 6 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 8 kts
5-day plot - Wind Speed, Wind Gust and Atmospheric Pressure Combined plot of Wind Speed, Gust, and Air Pressure
Previous observations
TIME
(CDT)		 5-day plot - Wind Direction
WDIR
 		 5-day plot - Wind Speed
WSPD
kts		 5-day plot - Wind Gust
GST
kts		 5-day plot - Wave Height
WVHT
ft		 5-day plot - Dominant Wave Period
DPD
sec		 5-day plot - Average Wave Period
APD
sec		 5-day plot - Mean Wave Direction
MWD
 		 5-day plot - Atmospheric Pressure
PRES
in		 5-day plot - Pressure Tendency
PTDY
in		 5-day plot - Air Temperature
ATMP
°F		 5-day plot - Water Temperature
WTMP
°F		 5-day plot - Dew Point
DEWP
°F		 5-day plot - Salinity
SAL
psu		 5-day plot - Visibility
VIS
nmi		 5-day plot - Tide (above MLLW)
TIDE
ft
2026-05-01 01:00 amENE 6 8------ 44.4-----
2026-05-01 12:00 amESE 6 9------ 44.8-----
2026-04-30 11:00 pmESE 9 12------ 44.2-----
2026-04-30 09:00 pm E 8 11------ 43.9-----
2026-04-30 08:00 pm E 7 8------ 44.6-----
2026-04-30 07:00 pm E 7 9------ 44.1-----
2026-04-30 05:00 pm E 5 8------ 44.1-----
2026-04-30 04:00 pm E 8 10------ 44.1-----
2026-04-30 03:00 pm E 7 9------ 44.4-----
2026-04-30 02:00 pm E 7 9------ 44.6-----
2026-04-30 01:00 pmESE 6 9------ 45.1-----
2026-04-30 12:00 pm E 9 11------ 46.4-----
2026-04-30 11:00 am E 5 7------ 48.7-----
2026-04-30 10:00 am E 5 6------ 48.6-----
2026-04-30 09:00 amNNE 5 8------ 50.4-----
2026-04-30 08:00 am N 2 4------ 48.9-----
2026-04-30 07:00 am W 3 7------ 46.0-----
2026-04-30 06:00 am W 4 8------ 44.4-----
2026-04-30 05:00 amWSW 2 4------ 44.2-----
2026-04-30 04:00 am W 3 8------ 44.4-----
Solar Radiation Conditions at OKSI2 as of
(2:00 am CDT)
0700 GMT on 05/01/2026:
Note: This report is more than two hours old
     

Click on the graph icon in the table below to see a time series plot of the last five days of that observation.

5-day plot - Short Wave Radiation 1 Short Wave Radiation 1 (SRAD1): 0.5watts/meter2
Previous observations
TIME
(CDT)		 5-day plot - Short Wave Radiation 1
SRAD1
w/m2		 5-day plot - Short Wave Radiation 2
SRAD2
w/m2		 5-day plot - Long Wave Radiation
LRAD
w/m2
2026-05-01 01:00 am 0.5--
2026-05-01 12:00 am 0.3--
2026-04-30 11:00 pm 2.5--
2026-04-30 10:00 pm 1.8--
2026-04-30 09:00 pm 0.4--
2026-04-30 08:00 pm 0.5--
2026-04-30 07:00 pm 7.3--
2026-04-30 06:00 pm 41.6--
2026-04-30 05:00 pm 71.0--
2026-04-30 04:00 pm 285.2--
2026-04-30 03:00 pm 456.5--
2026-04-30 02:00 pm 178.1--
2026-04-30 01:00 pm 210.9--
2026-04-30 12:00 pm 785.3--
2026-04-30 11:00 am 565.2--
2026-04-30 10:00 am 638.6--
2026-04-30 09:00 am 496.1--
2026-04-30 08:00 am 349.6--
2026-04-30 07:00 am 50.4--
2026-04-30 06:00 am 17.6--
2026-04-30 05:00 am 0.8--
2026-04-30 04:00 am 0.7--