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Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.

ARLINGTON HEIGHTS WEATHER

Saturday, November 21, 2015

Chicago Weather O'Hare Data Saturday, November 21 2015

D
a
t
e		Time
(cst)		Wind
(mph)		Vis.
(mi.)		WeatherSky Cond.Temperature (ºF)Relative
Humidity		Wind
Chill
(°F)		Heat
Index
(°F)		PressurePrecipitation (in.)
AirDwpt6 houraltimeter
(in)		sea level
(mb)		1 hr3 hr6 hr
Max.

2123:51NW 1010.00FairCLR1913261877%8NA30.151021.8
2122:51NW 910.00FairCLR201478%10NA30.131021.3
2121:51NW 1310.00FairCLR211578%8NA30.111020.6
2120:51NW 1210.00A Few CloudsFEW055221782%10NA30.101020.2
2119:51NW 910.00A Few CloudsFEW055 FEW120241775%14NA30.091019.7
2118:51NW 1510.00OvercastBKN055 BKN120 OVC150261975%14NA30.081019.5
2117:51NW 1810.00OvercastFEW013 OVC0952720312775%14NA30.051018.50.58
2116:51NW 18 G 282.00Light Snow Fog/MistSCT012 OVC027272592%14NA30.031017.6
2115:51NW 21 G 3110.00Light Snow and BreezyBKN014 BKN055 OVC070282588%14NA29.991016.4
2114:51N 23 G 317.00Light Snow Fog/Mist and BreezyBKN014 BKN035 OVC047292689%15NA29.961015.20.030.58
2113:51N 24 G 300.13Heavy Snow Blowing Snow Freezing Fog and BreezyVV004292792%15NA29.941014.60.28
2112:51N 21 G 310.13Heavy Snow Freezing Fog and BreezyVV003292896%16NA29.951014.80.27
2111:51N 170.50SnowOVC0053130333196%20NA29.931014.20.100.40
2110:51N 70.75Light SnowOVC0053232100%25NA29.961015.20.08
2109:51N 61.50Light SnowOVC006333296%27NA30.001016.50.03
2108:51NE 70.50Snow FogVV0043232100%25NA30.001016.80.060.19
2107:51N 60.50Snow FogOVC0043232100%26NA30.061018.70.07
2106:51E 60.75Light Snow Fog/MistOVC0053232100%26NA30.041017.90.06
2105:51E 70.75Light Snow Fog/MistOVC00532323332100%25NA30.071018.90.050.18
2104:51NE 70.75Light Snow Fog/MistBKN005 OVC0113232100%25NA30.101020.00.07
2103:51E 72.00Light Snow Fog/MistFEW006 SCT011 OVC017333296%27NA30.111020.20.01
2102:51E 94.00Light Snow Fog/MistBKN004 OVC011333296%25NA30.141021.20.010.05
2101:51E 92.50Light Snow Fog/MistOVC004333296%25NA30.171022.30.03

Complete data after midnight (may be delayed 24-48 hours).

CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS

SUMMARY: 

Weather Underground Historical 24-Hour Weather Radar for Saturday, November 21, 2015 …

Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel.



CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...

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000
CDUS43 KLOT 220639
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST SUN NOV 22 2015


...................................

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 21 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         33   1017 AM  72    1913  45    -12       35
  MINIMUM         18   1159 PM   1    1880  30    -12        7
  AVERAGE         26                        38    -12       21

PRECIPITATION (IN)
  YESTERDAY        1.16          1.49 1906   0.10   1.06     0.00
  MONTH TO DATE    2.97                      2.20   0.77     0.27
  SINCE SEP 1      9.84                      8.56   1.28     5.46
  SINCE JAN 1     33.46                     33.69  -0.23    37.54

SNOWFALL (IN)
  YESTERDAY        7.0 R         3.0  1893   0.1    6.9      0.0
  MONTH TO DATE   11.2                       0.5   10.7      1.9
  SINCE SEP 1     11.2                       0.7   10.5      2.0
  SINCE JUL 1     11.2                       0.7   10.5      2.0
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  YESTERDAY       39                        27     12       44
  MONTH TO DATE  349                       471   -122      650
  SINCE SEP 1    697                       973   -276     1152
  SINCE JUL 1    715                       986   -271     1157

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1    165                       103     62       84
  SINCE JAN 1    806                       843    -37      799
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    12.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY SNOW
  SNOW
  LIGHT SNOW
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  BLOWING SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           500 AM
 LOWEST     74           800 PM
 AVERAGE    87

..........................................................


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   45        69      1913
 MINIMUM TEMPERATURE (F)   30         4      1880


SUNRISE AND SUNSET
NOVEMBER 22 2015......SUNRISE   650 AM CST   SUNSET   425 PM CST
NOVEMBER 23 2015......SUNRISE   651 AM CST   SUNSET   425 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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