| 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 | W 7 | 9.00 | Overcast | BKN017 OVC024 | 31 | 27 | 33 | 31 | 85% | 24 | NA | 30.07 | 1018.9 | |||
| 17 | 22:51 | NW 9 | 9.00 | Overcast | FEW014 BKN039 OVC047 | 31 | 27 | 85% | 23 | NA | 30.06 | 1018.5 | |||||
| 17 | 21:51 | NW 7 | 10.00 | Overcast | FEW041 OVC049 | 32 | 26 | 79% | 25 | NA | 30.04 | 1017.9 | |||||
| 17 | 20:51 | W 8 | 10.00 | Overcast | FEW017 OVC049 | 32 | 26 | 79% | 25 | NA | 30.03 | 1017.8 | |||||
| 17 | 19:51 | W 7 | 8.00 | Overcast | BKN018 BKN028 OVC039 | 32 | 28 | 85% | 25 | NA | 30.04 | 1018.1 | |||||
| 17 | 18:51 | W 8 | 10.00 | Overcast | FEW020 BKN024 OVC043 | 32 | 27 | 82% | 25 | NA | 30.04 | 1017.8 | |||||
| 17 | 17:51 | NW 9 | 10.00 | Overcast | SCT026 OVC075 | 33 | 27 | 35 | 32 | 78% | 25 | NA | 30.01 | 1016.9 | |||
| 17 | 16:51 | W 7 | 10.00 | Overcast | BKN022 OVC027 | 33 | 27 | 78% | 27 | NA | 29.99 | 1016.4 | |||||
| 17 | 15:51 | NW 7 | 7.00 | Overcast | SCT020 OVC025 | 34 | 28 | 79% | 28 | NA | 29.99 | 1016.3 | |||||
| 17 | 14:51 | NW 6 | 5.00 | Overcast with Haze | BKN014 OVC026 | 34 | 29 | 82% | 29 | NA | 29.98 | 1016.1 | |||||
| 17 | 13:51 | W 3 | 5.00 | Overcast with Haze | BKN012 OVC029 | 34 | 29 | 82% | NA | NA | 29.98 | 1015.9 | |||||
| 17 | 12:51 | Calm | 4.00 | Fog/Mist | OVC009 | 33 | 30 | 89% | NA | NA | 30.00 | 1016.5 | |||||
| 17 | 11:51 | Calm | 3.00 | Fog/Mist | OVC006 | 33 | 29 | 33 | 30 | 85% | NA | NA | 30.03 | 1017.7 | |||
| 17 | 10:51 | E 3 | 2.00 | Fog/Mist | OVC007 | 31 | 29 | 92% | NA | NA | 30.07 | 1019.1 | |||||
| 17 | 09:51 | NE 3 | 3.00 | Fog/Mist | OVC008 | 31 | 28 | 89% | NA | NA | 30.09 | 1019.5 | |||||
| 17 | 08:51 | Vrbl 5 | 5.00 | Fog/Mist | OVC009 | 30 | 27 | 88% | 25 | NA | 30.08 | 1019.6 | |||||
| 17 | 07:51 | Calm | 5.00 | Light Snow Fog/Mist | OVC010 | 30 | 27 | 88% | NA | NA | 30.09 | 1019.6 | |||||
| 17 | 06:51 | E 5 | 10.00 | Overcast | OVC013 | 30 | 25 | 82% | 25 | NA | 30.09 | 1019.7 | |||||
| 17 | 05:51 | E 6 | 10.00 | Overcast | OVC016 | 30 | 24 | 30 | 28 | 79% | 24 | NA | 30.10 | 1020.1 | |||
| 17 | 04:51 | E 6 | 10.00 | Overcast | OVC018 | 30 | 23 | 75% | 24 | NA | 30.12 | 1020.8 | |||||
| 17 | 03:51 | E 6 | 10.00 | Overcast | OVC026 | 29 | 22 | 75% | 23 | NA | 30.15 | 1021.8 | |||||
| 17 | 02:51 | E 8 | 10.00 | Overcast | OVC030 | 29 | 23 | 78% | 21 | NA | 30.18 | 1022.7 | |||||
| 17 | 01:51 | E 7 | 10.00 | Overcast | OVC030 | 29 | 21 | 72% | 22 | NA | 30.20 | 1023.4 |
| 17 | 00:51 | NE 6 | 10.00 | Overcast | OVC029 | 28 | 20 | 72% | 21 | NA | 30.21 | 1023.8 |
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. |
Snow will develop over nrn IL by late Friday aftn, then spread south into the evening hours. Snow totals thru midday Sat look to be 4-8" north of I-88, with locally higher amounts possible. South of I-88, snow amounts will be 3-7". Stay tuned to the latest forecasts. pic.twitter.com/VHukLGV5yq
— NWS Chicago (@NWSChicago) January 17, 2019
Snow will spread eastward across parts of north central and northeast Illinois late in the day Friday into the early Friday evening. This snow will then expand area wide later in the evening. Impacts to the evening commute are possible, mainly along and north of I-88. #ILwx #INwx pic.twitter.com/JMCgeQnRSQ
— NWS Chicago (@NWSChicago) January 17, 2019
Significant snow poss. late Fri thru Sat. Additional snow showers from lake effect Sat night and Sun over NE IL and NW IN. #ilwx #inwx pic.twitter.com/qUEqTnBxRa
— NWS Chicago (@NWSChicago) January 17, 2019
After the snow Fri Eve-Sat, additional lake effect snow will occur Sat night-Sun for NE IL & NW IN. If planning to travel in these areas then, expect impacts from snow-covered roads & potential blowing/drifting snow. #ILwx #INwxhttps://t.co/0Pq2b87TREhttps://t.co/hvAEYCJelM pic.twitter.com/kxvolJ9GuD
— NWS Chicago (@NWSChicago) January 17, 2019
Here's a timeline of the hazardous winter weather expected Friday PM through Sunday night. For a more complete summary of this timeline, go to: https://t.co/gqrSazbBWf. #ilwx #inwx pic.twitter.com/M8olpHxP1a
— NWS Chicago (@NWSChicago) January 17, 2019
Here is an image showing the approximate start time for snowfall across the area on Friday. Travel could become hazardous soon after the snow begins. pic.twitter.com/Xv73VN6c6M
— NWS Chicago (@NWSChicago) January 17, 2019
Light snow south today with minor accums. #ilwx #inwx pic.twitter.com/aLtnnagrfD
— NWS Chicago (@NWSChicago) January 17, 2019
Light snow and freezing drizzle south this morning, with minor accumulations. Use extra caution if traveling in this area. #ilwx #inwx pic.twitter.com/AEk0jcaHhi
— NWS Chicago (@NWSChicago) January 17, 2019
Here is the approximate start time for accumulating snow. Widespread snow will diminish for most of the area Sat. morning into the afternoon. But lake effect snow will increase for the counties along Lake MI (+DuPage Co.) Saturday night. pic.twitter.com/1giAv9iT2g
— NWS Chicago (@NWSChicago) January 17, 2019
Ice storms are one of the many hazards that winter brings. @JimCantore shows you how dangerous ice storms are and how to make sure you stay safe this winter, brought to you by @campbells. pic.twitter.com/dNJh1HdnvM
— The Weather Channel (@weatherchannel) January 17, 2019
#WinterStormHarper will bring feet of snow to parts of the Northeast, dangerous driving conditions and power outages from the Plains to New England into this weekend. Timing and totals: https://t.co/PwDAAL2K3n pic.twitter.com/FUAqiWbIQx
— The Weather Channel (@weatherchannel) January 17, 2019
Extreme #cold is ahead for many, find out what you need to do before it gets ridiculously cold: https://t.co/9i8b1vDfnC pic.twitter.com/Bz7tjl6OY2
— The Weather Channel (@weatherchannel) January 17, 2019
Early heads-up: Another cross-country snowmaker is expected next week from the Northwest to the Midwest and Northeast: https://t.co/zljORlHuHC pic.twitter.com/ZPukzuJrAM
— The Weather Channel (@weatherchannel) January 17, 2019
9 things you need to know about #WinterStormHarper, a major storm currently hammering parts of the West, poised to deliver a wintry mess in the Midwest, Northeast. https://t.co/E3wXRr9wt2 pic.twitter.com/YLQeEeTRnE
— The Weather Channel (@weatherchannel) January 17, 2019
Major impacts are likely from #WinterStormHarper this weekend, from the Midwest to the Northeast, including possible power outages followed by bitter cold: https://t.co/PwDAAL2K3n pic.twitter.com/rl4X8cTOv9
— The Weather Channel (@weatherchannel) January 17, 2019
An #arctic blast will spread from the northern Plains into the Midwest, South and East beginning late this week: https://t.co/awtbHAtyM7 pic.twitter.com/RHpM9vqfRN
— The Weather Channel (@weatherchannel) January 17, 2019
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST FRI JAN 18 2019
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 17 2019...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2019
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 35 239 PM 60 1894 31 4 20
MINIMUM 28 101 AM -23 1982 16 12 4
AVERAGE 32 23 9 12
PRECIPITATION (IN)
YESTERDAY T 0.70 1910 0.06 -0.06 0.00
MONTH TO DATE 0.59 1.02 -0.43 0.63
SINCE DEC 1 3.91 3.27 0.64 1.22
SINCE JAN 1 0.59 1.02 -0.43 0.63
SNOWFALL (IN)
YESTERDAY T 4.9 1970 0.4 -0.4 0.0
MONTH TO DATE 2.7 5.7 -3.0 3.8
SINCE DEC 1 4.1 13.9 -9.8 9.1
SINCE JUL 1 16.8 15.3 1.5 9.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 42 -9 53
MONTH TO DATE 579 700 -121 818
SINCE DEC 1 1560 1855 -295 1983
SINCE JUL 1 2923 3111 -188 3026
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1000 AM
LOWEST 69 1200 AM
AVERAGE 81
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 31 61 1996
MINIMUM TEMPERATURE (F) 16 -21 1994
SUNRISE AND SUNSET
JANUARY 18 2019.......SUNRISE 716 AM CST SUNSET 449 PM CST
JANUARY 19 2019.......SUNRISE 715 AM CST SUNSET 450 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
+ + + +
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 ...
