Strong winds this afternoon through tonight… A strong low pressure system is forecast to impact Chicagoland weather from Monday December 4, 2017 into Tuesday December 5, 2017. The primary impact for the next 24 hours continues to be wind, with 40-45 mph gusts from the afternoon into tonight and possibly Tuesday. For the period Monday evening into early overnight Tuesday, gusts up to 50 mph are likely. The peak period of highest winds is likely to be 6:00 p.m. to 8:00 p.m. Monday.
The actual cold front with wind shift from southwest to west winds and initial temperature drop is forecast to occur between 8:00 PM and 10:00 PM.
Arctic Shock Ahead: Some cities will see highs drop more than 35 degrees during the course
of this week. How far your temperatures will drop: https://t.co/wQTz8UBQnl pic.twitter.com/dLInm2MflC— The Weather Channel (@weatherchannel) December 4, 2017
A Wind Advisory has been issued as a LOW PRESSURE SYSTEM associated cold front will bring a sharp transition from the recent prolonged mild weather to below normal temperatures by midweek. Near to record high temperatures are forecast for Monday, but an extended cold period may last beyond midweek.
WIND ADVISORY IN EFFECT FROM 3 PM CST THIS AFTERNOON TO 6 AM CST TUESDAY…
The National Weather Service in Chicago has issued a Wind Advisory, which is in effect from 3 PM CST this afternoon to 6 AM CST Tuesday.
* TIMING…Mid-afternoon through tonight.
* WINDS…Gusts of 45 to 50 mph.
* IMPACTS…Driving can be made difficult, especially for high profile vehicles. Small branches can be broken off trees and
loose objects may be blown.
Instructions: A Wind Advisory means that winds of 35 mph are expected. Winds this strong can make driving difficult…especially for high profile vehicles. Use extra caution.
Target Area:
Boone
Cook
De Kalb
DuPage
Ford
Grundy
Iroquois
Kane
Kankakee
Kendall
La Salle
Lake
Lee
Livingston
McHenry
Ogle
Will
Winnebago
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Very windy, near record warmth Monday w/a few spotty showers. Strong cold front brings gusty showers Mon evening, then falling temps… pic.twitter.com/kFKoZo7ggM
— NWS Chicago (@NWSChicago) December 4, 2017
A colorized simulated of air masses through Wednesday. The change from our long mild stretch to winter temperatures is strikingly apparent!
7 pm Mon temp: 61°
7 am Wed wind chill: 10° #BigChange pic.twitter.com/xpfTpt8Xve— NWS Chicago (@NWSChicago) December 3, 2017
Arctic Shock Ahead: Some cities will see highs drop more than 35 degrees during the course
of this week. How far your temperatures will drop: https://t.co/wQTz8UBQnl pic.twitter.com/dLInm2MflC— The Weather Channel (@weatherchannel) December 4, 2017
#Cold temps are on the way. By Wednesday most of the country will be seeing average #December highs. @AMHQ is on now with your full forecast.. pic.twitter.com/IKmUtMxdNh
— AMHQ (@AMHQ) December 4, 2017