Friday, December 16, 2016

Hazardous Weather Outlook for Mchenry Co., IL

FLUS43 KLOT 162159
HWOLOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
359 PM CST FRI DEC 16 2016


WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
359 PM CST FRI DEC 16 2016 /459 PM EST FRI DEC 16 2016/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

WEATHER HAZARDS EXPECTED:

ELEVATED ICE ACCUMULATION RISK.
ELEVATED SNOW RISK.

DISCUSSION:

PERIODS OF SNOW ARE EXPECTED THIS EVENING. THE SNOW MAY BE HEAVY
AT TIMES FOR A FEW HOURS EARLY THIS EVENING ACROSS FAR NORTHEAST
ILLINOIS. THE SNOW WILL DECREASE IN INTENSITY LATE THIS EVENING
AND MAY MIX WITH OR CHANGE TO LIGHT FREEZING RAIN OR SLEET SOUTH
OF INTERSTATE 80.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SATURDAY...
SIGNIFICANT EXCESSIVE COLD RISK.
LIMITED NON THUNDERSTORM WIND RISK.
ELEVATED ICE ACCUMULATION RISK.
ELEVATED SNOW RISK.
SUNDAY...
EXTREME EXCESSIVE COLD RISK.
LIMITED SNOW RISK.
MONDAY...
EXTREME EXCESSIVE COLD RISK.
TUESDAY...
ELEVATED EXCESSIVE COLD RISK.

DISCUSSION:

A LIGHT WINTRY MIX OF PRECIPITATION IS EXPECTED SATURDAY MORNING
BEFORE CHANGING OVER TO SNOW SATURDAY AFTERNOON. SOME ADDITIONAL
SNOW ACCUMULATION IS POSSIBLE SATURDAY AFTERNOON INTO SATURDAY
NIGHT. STRONG NORTHWEST WINDS WILL CAUSE BLOWING AND DRIFTING SNOW
SATURDAY NIGHT INTO SUNDAY MORNING.

A SHORT PERIOD OF LAKE EFFECT SNOW IS POSSIBLE ACROSS PARTS OF
NORTHEAST PORTER COUNTY SATURDAY NIGHT WITH SEVERAL INCHES OF SNOW
POSSIBLE.

DANGEROUSLY COLD TEMPERATURES AND WIND CHILLS ARE EXPECTED SATURDAY
NIGHT THROUGH SUNDAY NIGHT WITH WIND CHILL READINGS POTENTIALLY AS
COLD AS 30 BELOW ZERO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

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