Wind Advisory for Much of Northern Illinois in Effect 6PM Wednesday to 3AM Thursday; Additional Storms Possible

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TODAY SUNRISE: 7:18 AM SUNSET: 4:24 PM

Chicagoland weather radar shows a thunderstorm line from Peoria to the northwest tip of Illinois at about 5:25 p.m. The fast-moving (54 knots) thunderstorm line is moving northeast and the southern tip, if it stays intact, would likely pass through the northwest suburbs within 60 to 90 minutes (6:30 p.m. to 7:00 p.m.). At least one computer model forecasts weakening of severe weather east of I-39. The radar image has shown slight weakening in a 30-minute period observed. Also the tops that would be headed toward Arlington Heights are only 18,000 feet. The thunderstorm risk ends by 10:00 p.m. but high damaging winds are possible until about 2:00 a.m.

A Tornado Watch is in effect until 8:00 p.m. for several counties in northwest and western Illinois including the Peoria.

Satellite images show two main areas of clouds — one in eastern Illinois and one in west-northwest Illinois.

Peak winds with gusts of about 51 MPH are expected about 10 p.m.

Wind Advisory

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO IL
259 PM CST WED DEC 23 2015


ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
240500-
/O.CON.KLOT.WI.Y.0008.151224T0000Z-151224T0900Z/
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-COOK-
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-
LAKE IN-PORTER-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
WAUKEGAN...OREGON...DIXON...DEKALB...AURORA...WHEATON...CHICAGO...
OTTAWA...OSWEGO...MORRIS...JOLIET...KANKAKEE...PONTIAC...
WATSEKA...PAXTON...GARY...VALPARAISO...MOROCCO...RENSSELAER...
FOWLER
259 PM CST WED DEC 23 2015 /359 PM EST WED DEC 23 2015/

...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM CST /7 PM EST/ THIS
EVENING TO 3 AM CST /4 AM EST/ THURSDAY...

* TIMING...6PM CST /7PM EST/ THROUGH 3 AM CST /4 AM EST/.

* WINDS...SUSTAINED WINDS TO 35 MPH WITH GUSTS TO 50 MPH.

* IMPACTS...TRAVEL MAY BE DIFFICULT FOR HIGH PROFILE VEHICLES...
  ESPECIALLY ON NORTH-SOUTH ORIENTED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN
CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING
MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS
SHOULD BE ALERT AND USE CAUTION.

 NWS POINT FORECAST … 

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 59. Breezy, with a south wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.


Tonight
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 35. Very windy, with a west southwest wind 30 to 35 mph becoming west southwest 25 to 30 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.


Thursday
Partly sunny, with a high near 42. Breezy, with a west southwest wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.


Thursday Night
Mostly cloudy, with a low around 29. Southwest wind around 5 mph becoming north northeast in the evening.


Christmas Day
Partly sunny, with a high near 43. North northwest wind around 5 mph becoming east in the afternoon.

 AIRPORT WEATHER OBSERVATIONS … 

Location Time
(cdt)
Sky/Weather Temp.
(ºF)
Dewpt.
(ºF)
Humidity
(%)
Wind
(mph)
Pressure
(in)
Chicago/O’Hare 17:51 Mostly Cloudy 55 51 87 S 18 G 26 29.12
Chicago Midway Airport 17:53 Mostly Cloudy 57 50 78 S 17 G 30 29.15
Chicago Executive Airport 17:52 A Few Clouds 56 51 84 S 16 G 29 29.13
Chicago / West Chicago, Dupage Airport 17:52 Mostly Cloudy and Breezy 55 50 83 S 21 29.11
Aurora Municipal Airport 17:52 Overcast 57 52 83 S 20 G 33 29.10
Gary Chicago International 17:45 Mostly Cloudy 57 52 82 S 10 G 29 29.19
Kenosha Regional Airport 17:53 Mostly Cloudy 56 51 84 S 14 G 26 29.10
Chicago / Waukegan, Waukegan Regional Airport 17:55 Partly Cloudy 56 51 84 S 20 G 28 29.11
Lansing Municipal Airport 17:35 Fair 55 52 91 S 16 G 22 29.20
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.
23 16:52 S 16 G 29 10.00 A Few Clouds FEW019 56 51 84% NA NA 29.13 986.4
23 15:52 S 17 10.00 Partly Cloudy SCT090 57 52 83% NA NA 29.15 987.2
23 14:52 S 16 10.00 Fair CLR 57 53 87% NA NA 29.16 987.4 0.06
23 13:52 S 17 10.00 A Few Clouds FEW014 FEW110 58 54 87% NA NA 29.20 988.9
23 12:52 S 21 G 29 10.00 Light Rain and Breezy BKN016 OVC021 58 55 90% NA NA 29.25 990.6 0.06
23 11:52 S 17 G 33 2.00 Rain Fog/Mist BKN011 BKN019 OVC026 59 57 59 47 93% NA NA 29.25 990.7 0.20 0.36
23 10:52 SE 13 G 20 1.00 Thunderstorm Rain Fog/Mist OVC004 55 55 100% NA NA 29.34 993.8 0.16
23 09:52 SE 9 1.50 Light Rain Fog/Mist OVC003 53 53 100% NA NA 29.42 996.4
23 08:52 SE 7 1.00 Fog/Mist OVC002 50 50 100% 47 NA 29.47 998.1
23 07:52 SE 12 0.75 Fog/Mist OVC002 50 50 100% 45 NA 29.51 999.6
23 06:52 SE 10 1.00 Fog/Mist OVC002 48 48 100% 44 NA 29.55 1001.0
23 05:52 SE 8 0.75 Fog/Mist VV002 47 47 47 42 100% 43 NA 29.59 1002.4
23 04:52 SE 3 0.50 Fog VV002 46 46 100% NA NA 29.62 1003.4
23 03:52 SE 7 0.75 Fog/Mist OVC002 45 45 100% 41 NA 29.64 1004.0
23 02:52 SE 5 1.25 Fog/Mist OVC003 44 43 96% 41 NA 29.67 1005.1
23 01:52 S 6 2.00 Fog/Mist OVC003 43 43 100% 39 NA 29.68 1005.3
23 00:52 SE 9 2.50 Fog/Mist OVC005 42 41 96% 37 NA 29.68 1005.3

 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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