| D a t e | Time (cst) | Wind (mph) | Vis. (mi.) | Weather | Sky Cond. | Temperature (ºF) | Relative Humidity | Wind Chill (°F) | Heat Index (°F) | Pressure | Precipitation (in.) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | 6 hour | altimeter (in) | sea level (mb) | 1 hr | 3 hr | 6 hr | ||||||||||
| Max. | |||||||||||||||||
| 17 | 23:51 | N 8 | 10.00 | Overcast | OVC023 | 32 | 26 | 35 | 32 | 79% | 25 | NA | 30.30 | 1026.7 | |||
| 17 | 22:51 | N 8 | 10.00 | Overcast | OVC025 | 32 | 26 | 79% | 25 | NA | 30.31 | 1027.1 | |||||
| 17 | 21:51 | N 7 | 10.00 | Overcast | OVC025 | 33 | 27 | 78% | 27 | NA | 30.31 | 1027.0 | |||||
| 17 | 20:51 | N 12 | 10.00 | Overcast | OVC024 | 35 | 27 | 72% | 27 | NA | 30.31 | 1027.1 | |||||
| 17 | 19:51 | NE 12 | 10.00 | Overcast | OVC023 | 35 | 28 | 76% | 27 | NA | 30.30 | 1026.9 | |||||
| 17 | 18:51 | N 13 | 10.00 | Overcast | OVC022 | 35 | 28 | 76% | 26 | NA | 30.31 | 1027.2 | |||||
| 17 | 17:51 | NE 14 | 10.00 | Overcast | OVC021 | 35 | 29 | 35 | 33 | 78% | 26 | NA | 30.30 | 1026.8 | 0.03 | ||
| 17 | 16:51 | N 9 | 10.00 | Overcast | OVC022 | 34 | 31 | 89% | 27 | NA | 30.30 | 1026.7 | |||||
| 17 | 15:51 | N 10 | 10.00 | Overcast | BKN024 OVC035 | 34 | 30 | 85% | 26 | NA | 30.29 | 1026.5 | |||||
| 17 | 14:51 | N 12 | 10.00 | Light Snow | SCT009 BKN026 OVC040 | 34 | 30 | 85% | 25 | NA | 30.29 | 1026.4 | 0.01 | 0.03 | |||
| 17 | 13:51 | N 10 | 1.00 | Light Snow Fog/Mist | BKN009 BKN014 OVC023 | 33 | 31 | 92% | 25 | NA | 30.28 | 1026.2 | 0.01 | ||||
| 17 | 12:51 | N 10 | 2.00 | Light Snow Fog/Mist | OVC007 | 33 | 31 | 92% | 25 | NA | 30.29 | 1026.3 | 0.01 | ||||
| 17 | 11:51 | N 8 | 0.75 | Light Snow Fog/Mist | SCT005 OVC014 | 33 | 31 | 33 | 32 | 92% | 26 | NA | 30.30 | 1026.6 | 0.10 | ||
| 17 | 10:51 | N 10 | 1.25 | Light Snow Fog/Mist | OVC005 | 33 | 31 | 92% | 25 | NA | 30.31 | 1027.0 | 0.02 | ||||
| 17 | 09:51 | N 7 | 1.00 | Light Snow Fog/Mist | SCT005 OVC014 | 32 | 31 | 96% | 25 | NA | 30.30 | 1026.6 | 0.02 | ||||
| 17 | 08:51 | N 7 | 1.00 | Light Snow Fog/Mist | SCT006 OVC013 | 33 | 31 | 92% | 27 | NA | 30.28 | 1026.0 | 0.02 | 0.04 | |||
| 17 | 07:51 | N 7 | 1.50 | Light Snow Fog/Mist | OVC009 | 32 | 31 | 96% | 25 | NA | 30.26 | 1025.3 | 0.01 | ||||
| 17 | 06:51 | N 3 | 2.00 | Light Snow Fog/Mist | BKN017 OVC024 | 33 | 31 | 92% | NA | NA | 30.23 | 1024.3 | 0.01 | ||||
| 17 | 05:51 | N 3 | 5.00 | Fog/Mist | SCT018 BKN025 OVC045 | 33 | 31 | 34 | 33 | 92% | NA | NA | 30.21 | 1023.6 | |||
| 17 | 04:51 | Calm | 3.00 | Light Snow Fog/Mist | SCT013 BKN023 OVC028 | 33 | 31 | 92% | NA | NA | 30.20 | 1023.4 | |||||
| 17 | 03:51 | Calm | 7.00 | Light Snow | FEW016 OVC042 | 33 | 30 | 89% | NA | NA | 30.18 | 1022.7 | |||||
| 17 | 02:51 | Calm | 10.00 | Overcast | FEW015 OVC070 | 33 | 29 | 85% | NA | NA | 30.19 | 1022.8 | |||||
| 17 | 01:51 | N 3 | 8.00 | Light Snow | FEW016 OVC055 | 33 | 29 | 85% | NA | NA | 30.17 | 1022.2 |
| 17 | 00:51 | NW 3 | 9.00 | Overcast | FEW016 SCT030 OVC070 | 33 | 29 | 85% | NA | NA | 30.17 | 1022.2 |
CHICAGO O'HARE CURRENT AND HISTORY (3-DAY) ... | NWS Chicago Office OBSERVED WEATHER REPORTS
FORECAST:
Chicago Weather Forecast
Chicago Weather Radar
| Twitter group from National Weather Service Chicago, Local Chicago Media, and The Weather Channel. |
Light snow is expected to spread across areas mainly south of I-80 tonight, with ~1" of accumulation. Light lake effect rain & snow showers are also expected for the Chicago metro along and SE of I-55 overnight. pic.twitter.com/fPY4w7XgE8— NWS Chicago (@NWSChicago) November 17, 2018
Here some reports from today's snowfall across the area. Ongoing snow throughout the morning and early afternoon combined with some of the snow melting while falling resulted in a wide range of reports, even for locations in close proximity. pic.twitter.com/2vwYL3wQMN— NWS Chicago (@NWSChicago) November 17, 2018
Bands of light-moderate & occnl/brief heavy snow intensity will continue along/N of I-80 thru 12pm-1pm. Most heavily traveled roads wet, but be alert for partial snow/slush on local/less traveled roads or elevated roads/bridges. Visibility under 1 mile at times. #ilwx #inwx pic.twitter.com/NejFNx2bli— NWS Chicago (@NWSChicago) November 17, 2018
We greatly appreciate your snowfall reports! Here's a helpful guide to properly measure snow. Let us know how much snow you've received so far in our latest "Snowvember" event. Include your location with reports. Thanks! #winterprep #ilwx #inwx pic.twitter.com/Pd106HB11i— NWS Chicago (@NWSChicago) November 17, 2018
Snow will continue through most of the morning, especially along/north of I-80. Allow extra travel time and use caution, as many roads are likely to become lightly snow covered. #ILwx #INwx— NWS Chicago (@NWSChicago) November 17, 2018
IL Road Conditions:https://t.co/365NygfTuR
IN Road Conditions: https://t.co/NBpOGaeVjT pic.twitter.com/yoAHAGZpoc
Light to brief moderate snow returns tonight, but this time mainly south of I-80. This will persist into Sun a.m. before ending. Minor accumulation will occur, mainly 1” or less with isolated higher. Cool start to next week but moderation for the holiday and Friday. #ILwx #INwx pic.twitter.com/qlSmUXnN0E— NWS Chicago (@NWSChicago) November 17, 2018
Rockford, IL coming in with 1.5" of snow at the city's airport as of just prior to 6 a.m. Here's a look at current conditions east of their downtown. It will continue to snow, slightly heavier in Rockford and nearby areas, through ~10 a.m. #ILwx pic.twitter.com/WBThY22Q5w— NWS Chicago (@NWSChicago) November 17, 2018
Accumulating snow this a.m. especially along/north of I-80, will end from northwest to southeast during late morning to early p.m. Spotty light rain/snow may be seen this afternoon, before light accumulating snow returns tonight for areas mainly south of I-80. #ILwx #INwx pic.twitter.com/0PpMR4TAqT— NWS Chicago (@NWSChicago) November 17, 2018
Light to moderate snow will continue this a.m. before diminishing by early afternoon. The minor snow accumulation will make for lightly snow covered roads, which can be hazardous if traveling too fast & from slick spots. Allow extra travel time & use caution. #ILwx #INwx pic.twitter.com/OSbzxZRiUZ
— NWS Chicago (@NWSChicago) November 17, 2018
Snow to become widespread & increase in intensity, mainly along/north of I-80 including Chicago. Lighter mix south. Snow then tapers from west to east from 10a to 12p. Allow extra travel time. #ILwx #INwx
— NWS Chicago (@NWSChicago) November 17, 2018
IL Road Conditions: https://t.co/365NygfTuR
IN: https://t.co/qBPydWoPMX pic.twitter.com/cNWm3Xe4UX
A narrow band of snow is streaking across the Nation from the Rockies to the Northeast for the Weekend. A push of cold air comes behind it into Monday.https://t.co/WMf6ZRaOfL pic.twitter.com/UdF0itAOUM
— The Weather Channel (@weatherchannel) November 18, 2018
Light to moderate snow will continue this a.m. before diminishing by early afternoon. The minor snow accumulation will make for lightly snow covered roads, which can be hazardous if traveling too fast & from slick spots. Allow extra travel time & use caution. #ILwx #INwx pic.twitter.com/OSbzxZRiUZ
— NWS Chicago (@NWSChicago) November 17, 2018
Snow to become widespread & increase in intensity, mainly along/north of I-80 including Chicago. Lighter mix south. Snow then tapers from west to east from 10a to 12p. Allow extra travel time. #ILwx #INwx
— NWS Chicago (@NWSChicago) November 17, 2018
IL Road Conditions: https://t.co/365NygfTuR
IN: https://t.co/qBPydWoPMX pic.twitter.com/cNWm3Xe4UX
A narrow band of snow is streaking across the Nation from the Rockies to the Northeast for the Weekend. A push of cold air comes behind it into Monday.https://t.co/WMf6ZRaOfL pic.twitter.com/UdF0itAOUM
— The Weather Channel (@weatherchannel) November 18, 2018
Upcoming pattern change will bring some much-needed rain to California and warmer temperatures to central U.S.: https://t.co/vOXnPi3G4s pic.twitter.com/B6OUlvlzwM
— The Weather Channel (@weatherchannel) November 17, 2018
A few locations could see weather-related #travel delays for Thanksgiving - here is the latest forecast through Thanksgiving Day: https://t.co/kLdIXn6pUl pic.twitter.com/47RgQTL2Nj
— The Weather Channel (@weatherchannel) November 17, 2018
Light #snow is possible from parts of the Rockies and central Plains into the Midwest and interior Northeast into early week: https://t.co/2Yssx3SHdP pic.twitter.com/06IBEY9Ygq
— The Weather Channel (@weatherchannel) November 17, 2018
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
303 AM CST SUN NOV 18 2018
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 17 2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 35 917 PM 74 1975 47 -12 48
1971
1952
MINIMUM 32 1159 PM 3 1959 32 0 35
AVERAGE 34 40 -6 42
PRECIPITATION (IN)
YESTERDAY 0.13 1.43 1892 0.11 0.02 0.14
MONTH TO DATE 1.38 1.77 -0.39 1.19
SINCE SEP 1 9.82 8.13 1.69 10.21
SINCE JAN 1 44.05 33.26 10.79 41.95
SNOWFALL (IN)
YESTERDAY 1.5 3.8 1927 0.1 1.4 0.0
MONTH TO DATE 3.6 0.3 3.3 0.1
SINCE SEP 1 3.6 0.5 3.1 0.1
SINCE JUL 1 3.6 0.5 3.1 0.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 31 25 6 23
MONTH TO DATE 486 365 121 440
SINCE SEP 1 945 867 78 728
SINCE JUL 1 945 880 65 733
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 213 103 110 208
SINCE JAN 1 1290 843 447 991
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 7.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 800 AM
LOWEST 70 900 PM
AVERAGE 81
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 72 1953
MINIMUM TEMPERATURE (F) 32 8 1880
SUNRISE AND SUNSET
NOVEMBER 18 2018......SUNRISE 645 AM CST SUNSET 428 PM CST
NOVEMBER 19 2018......SUNRISE 646 AM CST SUNSET 427 PM CST
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HOMETOWN WEATHER: Arlington Heights Weather Forecast -- Arlingtoncardinal.com/weather
LIVE RADAR | STORM TRACKS | CLOUDS INFRARED SAT | CLOUDS VISIBLE SAT (during daylight)
WunderMap® US Temperature/Wind Data || WunderMap®: O'Hare Temps | NE Illinois Temps
Full Screen Motion Weather Radar (Wunderground.com) Midwest Cloud Cover and Arlington Heights Weather Forecast | SWPC Aurora Forecast
SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with azimuth & trajectory, times for dawn, sunrise, solar noon, sunset, dusk ...
