Area Forecast Discussion
Issued by NWS Milwaukee/Sullivan, WI

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FXUS63 KMKX 252028
AFDMKX

Area Forecast Discussion
National Weather Service Milwaukee/Sullivan WI
328 PM CDT Wed Apr 25 2018

.SHORT TERM...

Tonight though Friday...Forecast confidence is high:

High pressure will exit to the southeast tonight into Thursday in
advance of a trough of low pressure. Skies will remain mostly
clear into tonight under the influence of the high, with
increasing clouds from the west later tonight into Thursday.
Should be mainly dry through the day Thursday, with maybe a shower
or two northwest toward evening. Better chance for showers will be
Thursday evening into Thursday night as the front pushes through.
Temps should be a few degrees above normal Thursday.

There should be a break in precipitation later Thursday night into
Friday morning between waves. A stronger wave is then expected to
move through during the day Friday, with showers likely. Could
even be a rumble or two of thunder during the afternoon. Temps
will be near to a few degrees below normal Friday and will likely
cool several degrees when the showers move in given the relatively
low dewpoints. The showers will wind down by late evening. Not out
of the question too see a few snowflakes at the buzzer later
Friday evening in the northern forecast area.

.LONG TERM...

Saturday and Sunday...Forecast confidence is high:

Dry weather is expected over the weekend under high pressure. It
will be cooler Saturday behind the departing cold front, with
temperatures returning to around normal Sunday, except for cooler
conditions near Lake Michigan.

Monday through Wednesday...Forecast confidence is medium:

The overall pattern for early next week suggests above normal
temperatures with an eventual chance for showers and
thunderstorms. The main challenge with this period is the timing
of the main cold front. Models with a faster front suggest temps
not as warm as the slower models along with earlier shower/storm
chances. Would see temps push 80 if the slower model solutions pan
out.

&&

.AVIATION(18Z TAFS)...

VFR conditions will continue through Thursday. Skies will remain
mostly clear into Thursday, with mid/high level clouds increasing
from the west in the afternoon as a cold front approaches. A few
showers are then possible mainly Thursday evening and early night
as the cold front moves through.

Will have to watch winds near Lake Michigan tomorrow. Prevailing
winds may be strong enough to keep the lake breeze offshore into
early afternoon, but it seems the lake breeze will eventually win
out near the lake.

&&

.MARINE...

A Small Craft Advisory remains in effect until 7 pm from Port
Washington southward as waves gradually subside.

Winds and waves could approach advisory levels again Thursday
night into early Friday, with a better chance for higher gusts
Monday and Tuesday.

&&

.MKX WATCHES/WARNINGS/ADVISORIES...
WI...None.
LM...Small Craft Advisory until 7 PM CDT this evening for LMZ644>646.

&&

$$

Tonight/Thursday and Aviation/Marine...DDV
Thursday Night through Wednesday...DDV



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