| 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. | |||||||||||||||||
| 12 | 23:51 | W 6 | 10.00 | A Few Clouds | FEW170 | 37 | 34 | 89% | 32 | NA | 29.94 | 1014.4 | |||||
| 12 | 22:51 | SW 6 | 10.00 | Partly Cloudy | SCT170 | 38 | 34 | 86% | 33 | NA | 29.93 | 1014.0 | |||||
| 12 | 21:51 | SW 6 | 10.00 | Partly Cloudy | FEW030 SCT170 | 39 | 34 | 82% | 35 | NA | 29.93 | 1014.0 | |||||
| 12 | 20:51 | W 7 | 10.00 | Partly Cloudy | FEW028 FEW110 SCT150 | 40 | 33 | 77% | 35 | NA | 29.92 | 1013.7 | |||||
| 12 | 19:51 | W 9 | 10.00 | Overcast | SCT023 BKN028 OVC120 | 40 | 33 | 77% | 34 | NA | 29.92 | 1013.5 | |||||
| 12 | 18:51 | W 9 | 10.00 | Overcast | FEW028 OVC070 | 41 | 32 | 42 | 41 | 70% | 35 | NA | 29.91 | 1013.2 | |||
| 12 | 17:51 | W 8 | 10.00 | Overcast | BKN025 OVC050 | 42 | 32 | 68% | 37 | NA | 29.90 | 1013.1 | |||||
| 12 | 16:51 | SW 12 | 10.00 | Overcast | BKN026 OVC050 | 42 | 32 | 68% | 35 | NA | 29.90 | 1013.1 | |||||
| 12 | 15:51 | SW 8 | 10.00 | Overcast | FEW030 OVC049 | 42 | 33 | 71% | 37 | NA | 29.92 | 1013.4 | |||||
| 12 | 14:51 | SW 8 | 10.00 | Overcast | FEW024 OVC055 | 41 | 32 | 70% | 36 | NA | 29.93 | 1013.9 | |||||
| 12 | 13:51 | SW 10 | 10.00 | Overcast | BKN024 BKN035 OVC055 | 41 | 31 | 67% | 35 | NA | 29.96 | 1014.9 | |||||
| 12 | 12:51 | SW 7 | 10.00 | Overcast | SCT025 BKN044 OVC070 | 41 | 32 | 41 | 36 | 70% | 36 | NA | 29.98 | 1015.8 | |||
| 12 | 11:51 | W 9 | 10.00 | Overcast | SCT026 OVC080 | 41 | 30 | 65% | 35 | NA | 30.02 | 1016.8 | |||||
| 12 | 10:51 | SW 7 | 10.00 | Overcast | FEW028 OVC100 | 41 | 30 | 65% | 36 | NA | 30.01 | 1016.6 | |||||
| 12 | 09:51 | W 3 | 10.00 | Overcast | FEW028 BKN110 OVC250 | 40 | 29 | 65% | NA | NA | 30.01 | 1016.7 | |||||
| 12 | 08:51 | W 10 | 10.00 | Mostly Cloudy | FEW027 SCT110 BKN140 BKN250 | 40 | 32 | 73% | 34 | NA | 30.03 | 1017.4 | |||||
| 12 | 07:51 | W 5 | 10.00 | Mostly Cloudy | FEW030 BKN130 BKN250 | 38 | 32 | 79% | 34 | NA | 30.01 | 1016.6 | |||||
| 12 | 06:51 | W 3 | 10.00 | A Few Clouds | FEW030 FEW250 | 36 | 31 | 40 | 36 | 82% | NA | NA | 30.02 | 1017.1 | |||
| 12 | 05:51 | SW 3 | 10.00 | A Few Clouds | FEW031 FEW250 | 37 | 30 | 76% | NA | NA | 30.02 | 1016.8 | |||||
| 12 | 04:51 | NW 6 | 10.00 | A Few Clouds | FEW031 | 37 | 29 | 73% | 32 | NA | 30.02 | 1017.0 | |||||
| 12 | 03:51 | NW 6 | 10.00 | A Few Clouds | FEW031 | 38 | 29 | 70% | 33 | NA | 30.03 | 1017.4 | |||||
| 12 | 02:51 | W 7 | 10.00 | A Few Clouds | FEW031 | 39 | 29 | 67% | 34 | NA | 30.04 | 1017.6 | |||||
| 12 | 01:51 | W 6 | 10.00 | Mostly Cloudy | BKN031 | 40 | 32 | 73% | 36 | NA | 30.04 | 1017.6 | |||||
| 12 | 00:51 | W 6 | 10.00 | Mostly Cloudy | BKN033 | 40 | 33 | 46 | 40 | 77% | 36 | NA | 30.04 | 1017.4 |
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. |
River flooding will continue for the next several days along some northern IL rivers. Here's a summary of observed *preliminary* crests at most significantly affected locations along Rock, Pecatonica & Fox basins. Do not drive across flooded roads. https://t.co/69IbA4G6BL #ilwx pic.twitter.com/5jAeJohlR0
— NWS Chicago (@NWSChicago) October 12, 2018
Generally cool conditions will be with us through mid next week, though high temps near normal are likely Sunday for parts of the area ahead of a cold front. Rain will move across the area late Sunday thru Sunday evening, followed by dry weather Monday thru Wednesday. #ilwx #inwx pic.twitter.com/59ACxB5nor
— NWS Chicago (@NWSChicago) October 12, 2018
Freeze Warning (purple counties on map) and Frost Advisory (light blue counties on map) in effect tonight into Saturday AM. Remember to cover sensitive plants or bring them indoors for protection. #ilwx #inwx pic.twitter.com/xDkd593gGd
— NWS Chicago (@NWSChicago) October 12, 2018
Two more of the photos shared with us of the first snow of the season. In the 1st photo from Odell IL taken by Doug Campbell, you can see that the snow came down hard enough there to briefly accumulate in the grass. Thanks to everyone who tweeted us reports & photos! #ilwx pic.twitter.com/Qafgairh4E
— NWS Chicago (@NWSChicago) October 12, 2018
Pontiac, IL airport had visibility as low as 3/4 mile in light/moderate snow this hour. Latest observation as of 1:35 pm is 1 mile visibility, light snow and a temperature of 33°! The high temp this past Tuesday in Pontiac was 86°! Summer to winter in 3 days. #ilwx
— NWS Chicago (@NWSChicago) October 12, 2018
First snow of the season observed here at the office this morning! #iawx #ilwx #mowx pic.twitter.com/4Q3I0qXZLb
— NWS Quad Cities (@NWSQuadCities) October 12, 2018
24 Hour Minimum Temperatures across the area Friday Morning. pic.twitter.com/eNJtARP2JQ
— NWS Chicago (@NWSChicago) October 12, 2018
Colder Friday morning than Thursday morning. Saturday morning temps are forecast to be in the low to mid 30s. Sunday morning will be a little warmer with lows forecast to be in the upper 30s to mid 40s. pic.twitter.com/11yIJ4rzGr
— NWS Chicago (@NWSChicago) October 12, 2018
Chilly day today with highs only in the low to mid 40s. A period of light rain likely south of I-88, especially south of I-80 where it may last several hours this afternoon. Clouds clear late this evening to allow for frost likelihood tonight. #ILwx #INwxhttps://t.co/hvAEYCJelM pic.twitter.com/A256d6ZGk4
— NWS Chicago (@NWSChicago) October 12, 2018
After a chilly day today, temperatures will moderate a tad with some sun on Saturday. Rain chances return later Sunday, with a cool start to next week. #ILwx #INwxhttps://t.co/0Pq2b87TREhttps://t.co/hvAEYCJelM pic.twitter.com/Owt2g2vMfe
— NWS Chicago (@NWSChicago) October 12, 2018
Some area locations have dropped to or near freezing (32°) early this morning. Just when is the normal first autumn freeze? This graphic based on the past 30-year normal can answer that, along with more here: https://t.co/mxyivYPueD #ILwx #INwx pic.twitter.com/HVhjNG5NSO
— NWS Chicago (@NWSChicago) October 12, 2018
Rain is still coming down over the waterlogged southern Plains 🌧️ Not only a BIG concern for more flooding, but crops across the region that haven't been harvested yet will likely see issues too! pic.twitter.com/P69By2tll5
— Liana Brackett (@LianaBrackett) October 12, 2018
El Niño conditions are expected to develop over the next couple of months and its late arrival made Atlantic hurricane season forecasts more difficult: https://t.co/cb4qGyIzCW pic.twitter.com/6GDwnW161n
— The Weather Channel (@weatherchannel) October 12, 2018
Weekend #snow will blanket the Rockies and High Plains, including the #Denver metro, possibly as far south as the #Texas panhandle. https://t.co/9cTgcfcSjI pic.twitter.com/dxwiuQr8gJ
— The Weather Channel (@weatherchannel) October 12, 2018
Tropical Storm #Sergio is crossing the Baja California Peninsula and will enhance rainfall in the Southwest, southern Plains into this weekend: https://t.co/wkyb7mACqP pic.twitter.com/Q3RboYxeny
— The Weather Channel (@weatherchannel) October 12, 2018
Pattern change is bringing cooler temperatures to the East, Midwest and the coldest air of the season is ahead in Rockies, Plains early week: https://t.co/wkyb7mSdin pic.twitter.com/yU7SuROSTH
— The Weather Channel (@weatherchannel) October 12, 2018
CLIMATE DATA FROM THE NATIONAL WEATHER SERVICE CHICAGO OFFICE ...
+ + + +
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT SAT OCT 13 2018
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 12 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 42 455 PM 84 2008 64 -22 60
1960
1956
MINIMUM 36 1159 PM 28 1988 44 -8 56
1987
AVERAGE 39 54 -15 58
PRECIPITATION (IN)
YESTERDAY T 1.40 1973 0.10 -0.10 T
MONTH TO DATE 4.00 1.20 2.80 2.34
SINCE SEP 1 7.65 4.41 3.24 2.66
SINCE JAN 1 41.88 29.54 12.34 34.40
SNOWFALL (IN)
YESTERDAY 0.0 0.3 2006 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 26 12 14 7
MONTH TO DATE 60 118 -58 22
SINCE SEP 1 116 223 -107 59
SINCE JUL 1 116 236 -120 64
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 31 10 21 25
SINCE SEP 1 213 102 111 204
SINCE JAN 1 1290 842 448 987
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 1000 PM
LOWEST 64 200 AM
AVERAGE 75
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 88 1975
MINIMUM TEMPERATURE (F) 44 25 1988
SUNRISE AND SUNSET
OCTOBER 13 2018.......SUNRISE 702 AM CDT SUNSET 613 PM CDT
OCTOBER 14 2018.......SUNRISE 703 AM CDT SUNSET 612 PM CDT
- 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 ...
