(Update at 6:30 a.m. Monday) Temperatures were 12 below zero with wind chills predicted to be as low as minus 43 when much of Deerfield awoke today just after 6 a.m., according to the National Weather Service.
The temperature is not expected to rise to more than -10 with a low of 15 below tonight with wind chills reaching negative 39.
Schools and other organizations are closed. Patch will keep you up to date through the day. Please see with a NorthShore University HealthSystem physician has to say about venturing outside if you must.
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(Earlier at 5:45 a.m. Sunday) The thermometer is dropping well below zero today as Deerfield has nearly two feet of snow on the ground between the two-day storm last week and the one that fell today, according to the National Weather Service.
Once the winter storm warning expired, a wind chill warning went into effect through noon Tuesday with temperatures expected to fall to between 15 and 19 below zero with wind chills a possible minus 45.
Find out what's happening in Deerfieldwith free, real-time updates from Patch.
Schools have been closed Monday and perhaps Tuesday and other organizations have cancelled activities. For anyone going outside, frostbite is a concern. Using a hat, gloves and plenty of layers are a must, according to Dr. Ernest Wang of NorthShore University Healthsystems.
By 5 p.m. today, temperatures will be between13 and 17 above with a wind chill between minus 5 and 15. Overnight, the mercury is anticipated to dip to between -15 and -19 with wind chills ranging from 35 to 45 below.
There will be little respite Monday with a forecast high of 11 to 15 below zero and a minus 40 to 50 wind chill. The mercury will again dip to between 15 and 19 below zero Monday night with a real feel between minus 35 and negative 45.
The temperature is may get above zero Tuesday with an anticipated range from -2 to 2 but will dip to between three and seven below Tuesday night before reaching 17 Wednesday.
Unofficially, seven inches fell in north Highland Park between Saturday and Sunday morning and more came down. When coupled with more than a foot Tuesday and Wednesday, there nearly two feet on the ground.
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