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
(1:00 pm CDT)
1800 GMT on 05/21/2026:
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):NNE ( 30 deg true )
5-day plot - Wind Speed Wind Speed (WSPD): 8 kts
5-day plot - Wind Gust Wind Gust (GST): 12 kts
5-day plot - Air Temperature Air Temperature (ATMP): 52.0 °F
5-day plot - Wind Chill Wind Chill (CHILL): 48.7 °F
5-day plot - Wind Speed at 10 Meters Wind Speed at 10 meters (WSPD10M): 8 kts
5-day plot - Wind Speed at 20 Meters Wind Speed at 20 meters (WSPD20M): 10 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
2026-05-21 12:00 pmNNE 9 11------ 50.0-----
2026-05-21 11:00 amNNE 8 11------ 50.7-----
2026-05-21 10:00 am N 6 10------ 50.5-----
2026-05-21 09:00 amNNE 7 9------ 50.0-----
2026-05-21 08:00 amNNE 8 10------ 50.5-----
2026-05-21 07:00 amENE 6 10------ 50.7-----
2026-05-21 06:00 am NE 8 11------ 51.3-----
2026-05-21 05:00 am NE 7 8------ 52.0-----
2026-05-21 04:00 amENE 10 14------ 52.5-----
2026-05-21 03:00 amENE 12 16------ 52.9-----
2026-05-21 02:00 amENE 11 14------ 53.4-----
2026-05-21 01:00 am E 13 17------ 54.0-----
2026-05-21 12:00 amENE 7 9------ 52.5-----
2026-05-20 11:00 pm NE 7 10------ 51.6-----
2026-05-20 10:00 pmNNE 10 13------ 52.0-----
2026-05-20 09:00 pmNNE 10 13------ 52.3-----
2026-05-20 08:00 pmNNE 9 13------ 52.2-----
2026-05-20 07:00 pmNNE 11 16------ 52.7-----
2026-05-20 06:00 pmNNE 11 13------ 53.2-----
2026-05-20 05:00 pmNNE 11 14------ 53.2-----
2026-05-20 04:00 pmNNE 12 16------ 53.1-----
2026-05-20 03:00 pmNNE 11 16------ 52.5-----
Solar Radiation Conditions at OKSI2 as of
(1:00 pm CDT)
1800 GMT on 05/21/2026:
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): 430.0watts/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
2026-05-21 12:00 pm 747.3--
2026-05-21 11:00 am 401.6--
2026-05-21 10:00 am 185.6--
2026-05-21 09:00 am 120.5--
2026-05-21 08:00 am 59.9--
2026-05-21 07:00 am 39.7--
2026-05-21 06:00 am 22.3--
2026-05-21 05:00 am -0.2--
2026-05-21 04:00 am -0.6--
2026-05-21 03:00 am -0.6--
2026-05-21 02:00 am -1.1--
2026-05-21 01:00 am -0.6--
2026-05-21 12:00 am -0.2--
2026-05-20 11:00 pm -0.5--
2026-05-20 10:00 pm -0.3--
2026-05-20 09:00 pm -0.5--
2026-05-20 08:00 pm 5.2--
2026-05-20 07:00 pm 19.1--
2026-05-20 06:00 pm 25.2--
2026-05-20 05:00 pm 29.3--
2026-05-20 04:00 pm 600.9--
2026-05-20 03:00 pm 738.4--