WINTER STORM WARNING: 7.4 Inches for Arlington Heights

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TODAY SUNRISE: 6:49 AM
SUNSET: 4:26 PM

Chicagoland weather radar shows precipitation approaching in northwest Illinois at 10:04:31 AM.

Satellite images show clouds over northwest Illinois, Iowa, and southwest Wisconsin at 10:05:09 AM.

7.4 INCHES OF SNOW EXPECTED BETWEEN FRIDAY 8 PM AND SATURDAY 5 PM.


Winter Storm Warning

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
944 AM CST FRI NOV 20 2015

...SNOW TONIGHT THROUGH SATURDAY WITH SIGNIFICANT ACCUMULATION
EXPECTED IN SOME AREAS...

.THE FIRST ACCUMULATING SNOW OF THE SEASON WILL UNFOLD ACROSS THE
REGION BEGINNING THIS EVENING AND PERSISTING THROUGH THE DAY
SATURDAY. WARM GROUND TEMPERATURES...ESPECIALLY PAVEMENT...WILL
INITIALLY LIMIT ACCUMULATION ON SURFACES THIS EVENING. HOWEVER
SNOWFALL RATES ARE EXPECTED TO INCREASE OVERNIGHT THROUGH SATURDAY
MORNING AND WILL ALLOW FOR SNOW TO ACCUMULATE AT A QUICKER RATE.


ILZ014-202345-
/O.CON.KLOT.WS.W.0005.151121T0300Z-151121T2100Z/
COOK-
INCLUDING THE CITY OF...CHICAGO
944 AM CST FRI NOV 20 2015

...WINTER STORM WARNING REMAINS IN EFFECT AWAY FROM THE IMMEDIATE
LAKE SHORE FROM 9 PM THIS EVENING TO 3 PM CST SATURDAY...

* TIMING...A RAIN AND SNOW MIX THIS EVENING WILL TRANSITION TO A
  WET SNOW AND PERSIST THROUGH MID AFTERNOON ON SATURDAY.

* SNOWFALL RATES...BRIEFLY HEAVY AT TIMES OVERNIGHT AND SATURDAY
  MORNING.

* TOTAL SNOW ACCUMULATION...4 TO 8 INCHES ACROSS NORTHWESTERN
  COOK AWAY FROM LAKE MICHIGAN...WITH 2 TO 4 INCHES NEAR THE
  IMMEDIATE LAKE INCLUDING DOWNTOWN CHICAGO.

* IMPACTS...POTENTIAL EXISTS FOR DIFFICULT DRIVING CONDITIONS AND
  SHARPLY REDUCED VISIBILITY.

* THE FIRST ACCUMULATING SNOW OF THE YEAR CAN CATCH MOTORISTS
  OFF GUARD. ENSURE TO PLAN ACCORDINGLY AND USE EXTRA CAUTION IF
  TRAVELING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.

 NWS POINT FORECAST … 

Today
Increasing clouds, with a high near 43. West wind 10 to 15 mph becoming light and variable in the afternoon.


Tonight
Snow, possibly mixed with rain, becoming all snow after midnight. The snow could be heavy at times. Low around 32. Light and variable wind becoming east 10 to 15 mph in the evening. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.


Saturday
Snow, mainly before 3pm. The snow could be heavy at times. Temperature rising to near 33 by 8am, then falling to around 29 during the remainder of the day. Breezy, with an east wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.


Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values as low as -1. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.


Sunday
Mostly sunny, with a high near 26. Southwest wind around 10 mph, with gusts as high as 15 mph.

 AIRPORT WEATHER OBSERVATIONS … 

Location Time
(cdt)
Sky/Weather Temp.
(ºF)
Dewpt.
(ºF)
Humidity
(%)
Wind
(mph)
Pressure
(in)
Chicago/O’Hare 10:51 Partly Cloudy 37 14 39 W 14 30.27
Chicago Midway Airport 10:53 Partly Cloudy 39 14 36 W 15 30.29
Chicago Executive Airport 10:52 Fair 39 12 33 W 9 G 20 30.28
Chicago / West Chicago, Dupage Airport 10:52 Fair 38 16 41 W 16 30.28
Aurora Municipal Airport 10:52 Partly Cloudy 39 23 53 W 14 30.30
Gary Chicago International 10:45 Mostly Cloudy 39 9 28 W 14 30.30
Kenosha Regional Airport 10:53 Fair 35 15 44 W 14 G 23 30.24
Chicago / Waukegan, Waukegan Regional Airport 10:55 Fair 36 14 40 Vrbl 7 30.24
Lansing Municipal Airport 10:55 Fair 39 16 40 W 13 30.31
Click on location name for the weather during the past two days at that site.

 CHICAGO EXECUTIVE AIRPORT … 

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. Min.
20 09:52 W 9 G 20 10.00 Fair CLR 39 12 33% 33 NA 30.28 1025.9
20 08:52 W 10 10.00 Fair CLR 36 13 39% 29 NA 30.26 1025.2
20 07:52 W 9 10.00 Fair CLR 34 15 46% 27 NA 30.26 1025.2
20 06:52 W 8 10.00 Fair CLR 31 17 56% 24 NA 30.23 1024.4
20 05:52 SW 6 10.00 Fair CLR 32 16 36 32 52% 26 NA 30.21 1023.7
20 04:52 SW 10 10.00 Fair CLR 33 16 49% 25 NA 30.18 1022.7
20 03:52 SW 9 10.00 Fair CLR 33 17 52% 25 NA 30.18 1022.4
20 02:52 W 8 10.00 Fair CLR 34 15 46% 27 NA 30.16 1021.9
20 01:52 W 13 G 21 10.00 Fair CLR 35 17 48% 26 NA 30.15 1021.4
20 00:52 W 12 G 24 10.00 Fair CLR 36 16 44% 28 NA 30.13 1020.7
19 23:52 W 14 G 22 10.00 Fair CLR 36 17 39 36 46% 27 NA 30.12 NA
19 22:52 SW 12 10.00 Fair CLR 36 18 48% 28 NA 30.10 NA
19 21:52 SW 12 10.00 Fair CLR 36 20 52% 28 NA 30.09 1019.4
19 20:52 SW 10 10.00 Fair CLR 37 20 50% 30 NA 30.08 1019.2
19 19:52 SW 13 10.00 Fair CLR 37 20 50% 29 NA 30.08 1019.0
19 18:52 W 12 10.00 Fair CLR 38 19 46% 30 NA 30.07 1018.6
19 17:52 W 16 G 23 10.00 Fair CLR 39 18 43 39 43% 30 NA 30.05 1018.0
19 16:52 W 18 G 33 10.00 Fair CLR 40 17 40% 31 NA 30.02 1016.8
19 15:52 W 15 G 28 10.00 Mostly Cloudy BKN065 41 18 39% 33 NA 29.99 1015.8
19 14:52 W 22 G 32 10.00 Mostly Cloudy and Breezy BKN060 42 19 40% 33 NA 29.97 1015.1
19 13:52 W 28 G 44 10.00 A Few Clouds and Windy FEW060 42 16 35% 32 NA 29.95 1014.5
19 12:52 W 25 G 33 10.00 Fair and Breezy CLR 43 17 35% 33 NA 29.92 1013.7
19 11:52 NA NA Fair CLR NA NA NA NA NA 29.91 NA
19 09:52 W 18 G 28 10.00 Fair CLR 41 24 51% 32 NA 29.89 1012.6
19 08:52 W 22 G 31 10.00 Fair and Breezy CLR 41 27 57% 31 NA 29.86 1011.4
19 07:52 W 18 G 25 10.00 Fair CLR 41 27 57% 32 NA 29.83 1010.5
19 06:52 W 17 G 32 10.00 A Few Clouds FEW035 FEW045 42 29 60% 34 NA 29.78 1008.8
19 05:52 W 20 G 29 10.00 Overcast BKN026 OVC037 45 37 48 45 74% 37 NA 29.74 1007.2
19 04:52 SW 13 G 21 10.00 Overcast SCT021 BKN044 OVC055 45 40 83% 39 NA 29.72 1006.5
19 03:52 SW 14 G 22 10.00 Overcast BKN025 OVC044 46 39 77% 40 NA 29.70 1005.9
19 02:52 SW 13 10.00 Partly Cloudy FEW030 SCT038 SCT120 45 38 77% 39 NA 29.69 1005.4
19 01:52 SW 14 10.00 Fair CLR 46 38 73% 40 NA 29.68 1005.0
19 00:52 SW 10 10.00 A Few Clouds FEW050 47 38 71% 42 NA 29.66 1004.3

 MORE HELPFUL LINKS …  

LIVE RADAR | STORM TRACKS | UNISYS US IR SAT | UNISYS Midwest IR SAT | UNISYS More IR SAT

WunderMap® with Temperature/Wind Data || Google: Arlington Heights Temps | NE Illinois Temps

Full Screen Motion Weather Radar (Wunderground.com)

Midwest Cloud Cover with Arlington Heights Weather Forecast | SWPC Aurora Forecast

ChicagoWeatherStation.com I O’Hare Normal Temps/Precip I O’Hare Record Temps, Precip, Snow

SUNLIGHT DATA FOR SECURITY, TRAFFIC SAFETY, AND SPORTS
SunCalc.net data with solar azimuth and trajectory, times for dawn, sunrise, solar noon, sunset, dusk …



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Arlington Heights weather forecast, Arlington Heights Illinois weather forecast, weather forecast, WINTER STORM WARNING

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