Area Forecast Discussion
Issued by NWS Chicago, IL

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FXUS63 KLOT 191129
AFDLOT

Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
629 AM CDT Thu Apr 19 2018

.SHORT TERM...
222 AM CDT

Through tonight...

Area of snow moving across portions of northeast Illinois and all
of northwest Indiana will continue to shift to the southeast over
the next couple of hours. As this occurs, expect the current
diminishing trend to also continue, with much of the snow
southeast/east of the area by the 9-10z time frame. Under the
heavier snow which was in place a couple of hours ago, some light
accumulation was possible on some less traveled roads. However,
with the current diminishing trend, would anticipate any
additional light snow accumulation to mainly be on grassy
surfaces.

Rodriguez

&&

.LONG TERM...
222 AM CDT

Friday through Wednesday...

Significant weather not expected at this time.

Rodriguez

&&

.AVIATION...
For the 12Z TAFs...

Dry, VFR conditions are forecast through the period as high
pressure slowly builds overhead. NNW winds will gust to arnd 20 kt
through this afternoon, and I think the gusty winds will be too
strong for a lake breeze. If the high builds overhead faster than
currently indicated and winds weaken, a lake breeze could push
through the eastern terminals. Lighter flow tomorrow will result
in east winds less than 10 kt.

JEE

&&

.MARINE...
222 AM CDT

I did not make any changes to the going headlines.

North winds will diminish as high pressure currently over the Plains
builds over the Upper Mississippi Valley today.  High pressure will
remain over the lake through the weekend.  A low pressure system
will move across southern Canada reaching Hudson Bay Monday evening
while a second, weaker low travels across the Gulf states Sunday-mid
next week.  A low pressure system is forecast to reach the Western
Great Lakes mid next week.

JEE

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...None.
IN...None.
LM...Small Craft Advisory...Gary to Michigan City IN until 1 AM Friday.

     Small Craft Advisory...Winthrop Harbor to Gary IN until 7 PM
     Thursday.

&&

$$

VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)

FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/NWSCHICAGO
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGO



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.