Weather

WEATHER




Winter Weather Advisory
URGENT – WINTER WEATHER MESSAGE
National Weather Service Chicago IL
233 PM CST Thu Feb 16 2023

ILZ103>105-170445-
/O.EXT.KLOT.WW.Y.0004.000000T0000Z-230217T0600Z/
Northern Cook-Central Cook-Southern Cook-
Including the cities of Evanston, Des Plaines, Schaumburg,
Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park,
La Grange, Calumet City, Oak Forest, Lemont, Orland Park,
and Park Forest
233 PM CST Thu Feb 16 2023

…WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST
TONIGHT…

* WHAT…Mixed precipitation, including a likely period of
  freezing rain or freezing drizzle this evening, becoming all
  snow late this evening. Total snow and sleet accumulations of 1
  to 3 inches with highest north and ice accumulations of up to
  one tenth of an inch. Winds gusting as high as 40 mph, leading
  to blowing snow in exposed locations.

* WHERE…Northern Cook, Central Cook and Southern Cook Counties.

* WHEN…Until midnight CST tonight.

* IMPACTS…Plan on slippery road conditions. Areas of blowing
  snow could significantly reduce visibility. The hazardous
  conditions will impact the afternoon commute.

* ADDITIONAL DETAILS…Confidence in lake effect snow
  accumulations late tonight is low. If lake effect snow were to
  develop, the Advisory may need to be extended into the overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

Slow down and use caution while traveling.

The latest road conditions for Illinois can be obtained on the
internet at http://www.gettingaroundillinois.com.

&&

$$





Hazardous Weather Outlook
Hazardous Weather Outlook…UPDATED
National Weather Service Chicago/Romeoville IL
1202 PM CST Thu Feb 16 2023

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-171815-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1202 PM CST Thu Feb 16 2023 /102 PM EST Thu Feb 16 2023/

This Hazardous Weather Outlook is for portions of North Central
Illinois…Northeast Illinois and Northwest Indiana.

.DAY ONE…This Afternoon and Tonight.

Weather hazards expected…

  Significant Snow and Sleet Risk.
  Elevated Ice Accumulation Risk.
  Elevated Lakeshore Flood Risk.
  Limited Thunderstorm Risk this afternoon.
  Limited Non Thunderstorm Wind Risk.

DISCUSSION…

Isolated non-severe thunderstorms will be seen south of the
Kankakee River Valley early this afternoon.

A mix of snow, sleet, freezing rain and rain will persist through
the afternoon that will gradually change to all snow from
northwest to southeast late this afternoon and early evening. Snow
will then taper off and end from the west toward midnight, with
the exception of lingering lake effect snow showers near the lake
especially in northwest Indiana.

The wintry mix will cause travel impacts across the area,
particularly near the state line this afternoon and along and
northwest of Interstate 55 this evening. The highest snowfall
amounts will be near the Illinois Wisconsin border. Minor
accumulations will be seen to the south.

North to northeast winds will gust to 35 to 40 mph late this
afternoon and this evening, with the highest gusts near the
lakeshore.

.DAYS TWO THROUGH SEVEN…Friday through Wednesday.

  No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT…

  Spotter activation will not be necessary through tonight.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the east-northeast at 45 mph.