| 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. | |||||||||||||||||
| 20 | 23:51 | NW 10 | 10.00 | Light Rain | OVC013 | 34 | 30 | 41 | 34 | 85% | 26 | NA | 30.18 | 1022.1 | 0.03 | 0.24 | |
| 20 | 22:51 | NW 10 | 9.00 | Light Rain | FEW010 BKN015 OVC041 | 34 | 31 | 89% | 26 | NA | 30.16 | 1021.4 | 0.08 | ||||
| 20 | 21:51 | NW 7 | 6.00 | Light Rain Fog/Mist | BKN012 OVC038 | 34 | 31 | 89% | 28 | NA | 30.13 | 1020.5 | 0.03 | ||||
| 20 | 20:51 | NW 10 | 10.00 | Light Rain | SCT015 BKN027 OVC080 | 36 | 32 | 86% | 29 | NA | 30.09 | 1019.3 | 0.02 | 0.10 | |||
| 20 | 19:51 | W 7 | 10.00 | Light Rain | FEW013 BKN080 OVC090 | 37 | 34 | 89% | 32 | NA | 30.05 | 1017.8 | 0.05 | ||||
| 20 | 18:51 | W 10 | 9.00 | Light Rain | SCT011 SCT070 OVC090 | 38 | 35 | 89% | 31 | NA | 30.05 | 1017.7 | 0.03 | ||||
| 20 | 17:51 | W 15 | 10.00 | Light Rain | BKN009 OVC075 | 41 | 38 | 66 | 41 | 89% | 33 | NA | 29.99 | 1015.8 | 0.05 | 0.50 | |
| 20 | 16:51 | W 17 G 25 | 10.00 | Light Rain | BKN008 BKN055 OVC090 | 49 | 45 | 86% | 43 | NA | 29.95 | 1014.3 | 0.03 | ||||
| 20 | 15:51 | SW 10 | 10.00 | Light Rain | FEW010 OVC080 | 54 | 51 | 90% | NA | NA | 29.89 | 1012.2 | 0.04 | ||||
| 20 | 14:51 | W 6 | 10.00 | Light Rain | BKN070 OVC085 | 54 | 52 | 93% | NA | NA | 29.87 | 1011.3 | 0.12 | 0.38 | |||
| 20 | 13:51 | W 10 | 2.00 | Heavy Rain Fog/Mist | FEW023 OVC034 | 55 | 53 | 93% | NA | NA | 29.84 | 1010.3 | 0.26 | ||||
| 20 | 12:51 | S 18 G 28 | 10.00 | Light Rain | OVC019 | 65 | 59 | 81% | NA | NA | 29.80 | 1008.8 | |||||
| 20 | 11:51 | S 23 G 32 | 10.00 | Overcast and Breezy | BKN022 OVC049 | 65 | 58 | 65 | 58 | 78% | NA | NA | 29.82 | 1009.6 | 0.44 | ||
| 20 | 10:51 | S 12 G 23 | 10.00 | Overcast | FEW015 BKN038 OVC065 | 64 | 58 | 81% | NA | NA | 29.83 | 1010.1 | |||||
| 20 | 09:51 | SW 20 G 25 | 10.00 | Overcast | FEW011 BKN048 BKN060 OVC150 | 63 | 58 | 84% | NA | NA | 29.84 | 1010.3 | |||||
| 20 | 08:51 | S 16 | 10.00 | Light Rain | BKN011 OVC048 | 60 | 57 | 90% | NA | NA | 29.84 | 1010.5 | 0.44 | ||||
| 20 | 07:51 | SW 9 | 10.00 | Overcast | FEW008 BKN015 OVC036 | 59 | 56 | 90% | NA | NA | 29.85 | 1010.8 | 0.14 | ||||
| 20 | 06:51 | S 9 | 3.00 | Rain Fog/Mist | FEW007 BKN023 OVC035 | 58 | 57 | 97% | NA | NA | 29.83 | 1010.2 | 0.30 | ||||
| 20 | 05:51 | SW 12 | 3.00 | Light Rain Fog/Mist | FEW010 BKN048 OVC060 | 59 | 56 | 61 | 58 | 90% | NA | NA | 29.83 | 1009.9 | 0.26 | 0.93 | |
| 20 | 04:51 | S 22 G 28 | 6.00 | Heavy Rain Fog/Mist and Breezy | SCT011 BKN065 OVC080 | 59 | 56 | 90% | NA | NA | 29.81 | 1009.4 | 0.09 | ||||
| 20 | 03:51 | SW 17 | 5.00 | Rain Fog/Mist | FEW011 BKN017 OVC041 | 60 | 58 | 93% | NA | NA | 29.81 | 1009.5 | 0.25 | ||||
| 20 | 02:51 | SW 14 | 6.00 | Rain Fog/Mist | BKN011 OVC016 | 60 | 58 | 93% | NA | NA | 29.81 | 1009.2 | 0.12 | 0.33 | |||
| 20 | 01:51 | SW 16 G 26 | 2.50 | Heavy Rain Fog/Mist | SCT012 BKN017 OVC033 | 60 | 58 | 93% | NA | NA | 29.81 | 1009.5 | 0.14 | ||||
| 20 | 00:51 | S 16 | 8.00 | Light Rain | FEW011 FEW055 OVC080 | 59 | 56 | 90% | NA | NA | 29.80 | 1009.2 | 0.07 |
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. |
Rain continues to change to freezing rain and sleet from the west late this evening. Expect some minor ice accumulations across the area ove pic.twitter.com/oNfPKs0hJz
— NWS Chicago (@NWSChicago) February 21, 2018
Winter weather advisory for periods of freezing rain and sleet overnight. Ice accumulations up to a tenth of an inch possible on elevated su pic.twitter.com/oSga4BIGHB
— NWS Chicago (@NWSChicago) February 21, 2018
Rain changes to freezing rain and sleet from west to east through the evening. Use caution if travel is planned. #ilwx pic.twitter.com/jf3gUys7BZ
— NWS Chicago (@NWSChicago) February 21, 2018
Light freezing rain, possibly mixed with sleet & snow. Total snow & sleet accum. less than 0.5". Total ice accum. up to .1" are expected. Th pic.twitter.com/op2HoyQm1u
— NWS Chicago (@NWSChicago) February 20, 2018
Forecast Rainfall for tonight into Wednesday Morning. pic.twitter.com/Ftb7sUTzWX
— NWS Chicago (@NWSChicago) February 20, 2018
Heavy rain has resulted in river flooding across the area, some significant, that will persist for the next several days on slower response rivers. For river information, go to https://t.co/uqFQlaKI7Z & click on Rivers and Lakes. Direct Link: https://t.co/y1gMD6Df1b #ilwx #inwx pic.twitter.com/sldsWAzkJv
— NWS Chicago (@NWSChicago) February 20, 2018
Showers & embedded t-storms with heavy downpours for next several hours will worsen ongoing flooding. Flash flooding is possible in some locations. 1-3" additional rain thru tonight, locally higher psbl. Do not attempt to drive or walk across flooded roads. #ilwx #inwx pic.twitter.com/DQDptFMS2F
— NWS Chicago (@NWSChicago) February 20, 2018
Feb 20 Rainfall Totals. https://t.co/qeWFemFI9o pic.twitter.com/Co7hORFoEE
— NWS Chicago (@NWSChicago) February 20, 2018
Areas on I-88 between RT 47 and DKB with VIS still <=1/4 mi. @NWSChicago pic.twitter.com/TzjLkjtHfM
— Victo☈ Gensini (@gensiniwx) February 20, 2018
Areas of flooding ongoing this morning due to heavy rain overnight. Several roads still closed or with lanes blocked. Additional heavy rain with embedded thunderstorms will arrive around mid day could cause flash flooding. 1-3" additional rain by late eve. #ilwx #inwx pic.twitter.com/Qt2FpUk6OI
— NWS Chicago (@NWSChicago) February 20, 2018
Rain and storms may ease briefly after sunrise, though additional rounds of rain and thunderstorms are expected. #ILWX #INWX pic.twitter.com/MnsFd7ucFB
— NWS Chicago (@NWSChicago) February 20, 2018
Rain continues into tonight, with locally heavy rainfall likely. A period of freezing rain is possible tonight as colder air moves in. pic.twitter.com/AvjHGW9bTG
— NWS Chicago (@NWSChicago) February 20, 2018
Flood Watch remains in effect through late tonight for northern IL and northwest IN. #ILWX #INWX pic.twitter.com/vE8Y6MyzR4
— NWS Chicago (@NWSChicago) February 20, 2018
Heavy rain continues today into tonight. Flooding is likely, and most area rivers are rising sharply. #ILWX #INWX pic.twitter.com/C4G8dRuPPK
— NWS Chicago (@NWSChicago) February 20, 2018
Rain, locally heavy at times, will continue the flooding threat into the morning commute. #ilwx #inwx pic.twitter.com/cvT4KudLOk
— NWS Chicago (@NWSChicago) February 20, 2018
Flooding threat is increasing. Reports of water on flood prone areas have been reported. Turn around and don't drown. #ilwx #inwx pic.twitter.com/YPEIygrryq
— NWS Chicago (@NWSChicago) February 20, 2018
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1243 AM CST WED FEB 21 2018
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 20 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 66 1259 PM 70 2017 37 29 70
MINIMUM 34 1159 PM -9 1896 22 12 41
AVERAGE 50 29 21 56
PRECIPITATION (IN)
YESTERDAY 2.10R 1.16 2014 0.07 2.03 0.00
MONTH TO DATE 4.37 1.18 3.19 0.47
SINCE DEC 1 6.50 5.16 1.34 5.11
SINCE JAN 1 5.91 2.91 3.00 3.34
SNOWFALL (IN)
YESTERDAY 0.0 2.8 1989 0.3 -0.3 0.0
MONTH TO DATE 20.3 6.8 13.5 T
SINCE DEC 1 30.2 25.8 4.4 18.3
SINCE JUL 1 30.3 27.2 3.1 18.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 15 36 -21 9
MONTH TO DATE 814 770 44 589
SINCE DEC 1 3224 3204 20 2937
SINCE JUL 1 4267 4460 -193 3766
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 25 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 13.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 700 AM
LOWEST 78 1100 AM
AVERAGE 89
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 37 67 1930
MINIMUM TEMPERATURE (F) 22 -11 1873
SUNRISE AND SUNSET
FEBRUARY 21 2018......SUNRISE 639 AM CST SUNSET 532 PM CST
FEBRUARY 22 2018......SUNRISE 637 AM CST SUNSET 533 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 ...
