| 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 | S 13 | 10.00 | Overcast | SCT070 SCT090 BKN110 OVC250 | 60 | 46 | 65 | 60 | 60% | NA | NA | 29.91 | 1012.6 | |||
| 20 | 22:51 | S 16 | 10.00 | Overcast | BKN070 BKN100 OVC250 | 60 | 45 | 58% | NA | NA | 29.90 | 1012.6 | |||||
| 20 | 21:51 | S 16 | 10.00 | Overcast | SCT190 BKN220 OVC250 | 60 | 45 | 58% | NA | NA | 29.91 | 1012.8 | |||||
| 20 | 20:51 | S 15 | 10.00 | Overcast | OVC240 | 60 | 45 | 58% | NA | NA | 29.93 | 1013.6 | |||||
| 20 | 19:51 | S 17 G 26 | 10.00 | Overcast | BKN230 OVC250 | 62 | 44 | 52% | NA | NA | 29.94 | 1013.8 | |||||
| 20 | 18:51 | SE 15 G 24 | 10.00 | Overcast | FEW200 BKN220 OVC250 | 63 | 44 | 50% | NA | NA | 29.95 | 1014.1 | |||||
| 20 | 17:51 | S 16 G 25 | 10.00 | Overcast | FEW180 BKN200 OVC250 | 65 | 46 | 70 | 64 | 51% | NA | NA | 29.96 | 1014.5 | |||
| 20 | 16:51 | SE 15 | 10.00 | Overcast | SCT210 OVC250 | 66 | 47 | 50% | NA | NA | 29.97 | 1014.9 | |||||
| 20 | 15:51 | SE 22 G 28 | 10.00 | Overcast and Breezy | FEW200 SCT220 OVC250 | 68 | 47 | 47% | NA | NA | 29.96 | 1014.5 | |||||
| 20 | 14:51 | SE 17 | 10.00 | Overcast | FEW200 OVC250 | 69 | 47 | 45% | NA | NA | 29.98 | 1015.2 | |||||
| 20 | 13:51 | S 18 | 10.00 | Overcast | FEW200 OVC250 | 69 | 48 | 47% | NA | NA | 30.00 | 1016.1 | |||||
| 20 | 12:51 | SE 17 | 10.00 | Overcast | OVC250 | 67 | 48 | 51% | NA | NA | 30.03 | 1016.8 | |||||
| 20 | 11:51 | S 16 | 10.00 | Overcast | FEW210 OVC250 | 65 | 47 | 65 | 43 | 52% | NA | NA | 30.05 | 1017.7 | |||
| 20 | 10:51 | S 17 | 8.00 | Overcast | SCT039 BKN210 OVC250 | 62 | 47 | 58% | NA | NA | 30.09 | 1018.8 | |||||
| 20 | 09:51 | S 13 | 6.00 | Overcast with Haze | BKN210 OVC250 | 57 | 47 | 69% | NA | NA | 30.11 | 1019.8 | |||||
| 20 | 08:51 | S 12 | 4.00 | Mostly Cloudy with Haze | BKN250 | 52 | 47 | 83% | NA | NA | 30.12 | 1020.2 | |||||
| 20 | 07:51 | SE 8 | 3.00 | Fog/Mist | FEW190 BKN250 | 49 | 45 | 86% | 46 | NA | 30.13 | 1020.7 | |||||
| 20 | 06:51 | SE 8 | 3.00 | Fog/Mist | FEW190 BKN250 | 44 | 42 | 93% | 39 | NA | 30.13 | 1020.4 | |||||
| 20 | 05:51 | S 6 | 5.00 | Fog/Mist | BKN250 | 46 | 43 | 47 | 41 | 89% | 43 | NA | 30.12 | 1020.1 | |||
| 20 | 04:51 | SE 8 | 6.00 | Fog/Mist | OVC250 | 46 | 42 | 86% | 42 | NA | 30.10 | 1019.3 | |||||
| 20 | 03:51 | Calm | 6.00 | Fog/Mist | OVC230 | 44 | 39 | 83% | NA | NA | 30.10 | 1019.5 | |||||
| 20 | 02:51 | SE 7 | 7.00 | Overcast | OVC230 | 44 | 38 | 79% | 40 | NA | 30.10 | 1019.5 | |||||
| 20 | 01:51 | SE 6 | 8.00 | Mostly Cloudy | BKN230 | 45 | 36 | 71% | 42 | NA | 30.11 | 1019.7 | |||||
| 20 | 00:51 | Calm | 10.00 | Mostly Cloudy | BKN230 | 41 | 32 | 70% | NA | NA | 30.12 | 1020.2 |
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. |
Very mild weather to continue. Strong storm to impact the area by Friday with severe storms pos. #ilwx #inwx pic.twitter.com/HVpmZaQGiG— NWS Chicago (@NWSChicago) February 20, 2017
Today's highs of upper 60s & low 70s in northern IL & northwest IN broke records for the 4th straight day. For more: https://t.co/WND0f27AFh pic.twitter.com/S1SmFJIONE— NWS Chicago (@NWSChicago) February 20, 2017
Very mild weather to continue. Wednesday looks to be warmest day of week with highs in the 70s. #ilwx #inwx pic.twitter.com/yvhJSfM7wU— NWS Chicago (@NWSChicago) February 20, 2017
Dense fog will continue to build north & will impact most if not all of the morning commute. Drive safely! pic.twitter.com/JAaqm6MVwr— NWS Chicago (@NWSChicago) February 20, 2017
5:51 am CT: #Severe t-storm warning in effect for parts of the #Houston metro til 6:30 am CT. Strong winds possible. pic.twitter.com/1SPrKdUYtp— The Weather Channel (@weatherchannel) February 20, 2017
Records highs will continue to be broken everyday this week after monthly records were set this past weekend: https://t.co/fejTvC1jyG pic.twitter.com/e2YGFd2H34— The Weather Channel (@weatherchannel) February 20, 2017
Dozens of record high temperatures are possible today in the East U.S. as highs rise up to 25-35° above average...your forecast NOW on @AMHQ pic.twitter.com/EHbzHtMK7J— The Weather Channel (@weatherchannel) February 20, 2017
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
181
CDUS43 KLOT 210636
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1234 AM CST TUE FEB 21 2017
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 20 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70R 228 PM 64 1930 37 33 57
MINIMUM 41 1255 AM -9 1896 22 19 38
AVERAGE 56 29 27 48
PRECIPITATION (IN)
YESTERDAY 0.00 1.16 2014 0.07 -0.07 0.00
MONTH TO DATE 0.47 1.18 -0.71 1.00
SINCE DEC 1 5.11 5.16 -0.05 6.71
SINCE JAN 1 3.34 2.91 0.43 1.84
SNOWFALL (IN)
YESTERDAY 0.0 2.8 1989 0.3 -0.3 0.0
MONTH TO DATE T 6.8 -6.8 3.8
SINCE DEC 1 18.3 25.8 -7.5 14.6
SINCE JUL 1 18.3 27.2 -8.9 25.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 9 36 -27 17
MONTH TO DATE 589 770 -181 744
SINCE DEC 1 2937 3204 -267 2783
SINCE JUL 1 3766 4460 -694 3756
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 23 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 700 AM
LOWEST 44 300 PM
AVERAGE 68
..........................................................
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 2017......SUNRISE 638 AM CST SUNSET 532 PM CST
FEBRUARY 22 2017......SUNRISE 637 AM CST SUNSET 534 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 ...
