Area Forecast Discussion
Issued by NWS Indianapolis, IN

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FXUS63 KIND 252043

Area Forecast Discussion
National Weather Service Indianapolis IN
443 PM EDT Mon Sep 25 2017

The AVIATION Section has been updated below.


Issued at 324 PM EDT Mon Sep 25 2017

Unseasonably warm temperatures will continue through Tuesday with
more seasonable weather arriving after a weak front passes through
on Wednesday.  Dry conditions are expected through much of the
period with only slight chances for rain on Wednesday and next


.NEAR TERM /Tonight/...

Issued at 324 PM EDT Mon Sep 25 2017

Dry conditions are expected through the period with the largest
forecast challenge being the chance for fog tonight.  Best chances
look to be across southern Indiana where the moisture will be
highest.  Lows will be in the mid 60s and winds will be light and


.SHORT TERM /Tuesday through Thursday/...

Issued at 324 PM EDT Mon Sep 25 2017

High pressure will begin to weaken ahead of a weak cold front that
is expected to pass through on Wednesday.  With weak forcing and low
moisture, chances for rain are small, but left in slight POPs for
Wednesday afternoon.  More seasonable weather will follow Wednesday
night and through the rest of the week.

Highs will be in the low 90s Tuesday and will range from the upper
70s to lower 80s on Wednesday.  Lows will be in the mid 60s Tuesday
night and the 50s Wednesday night.


.LONG TERM /Thursday Night Through Monday/...
Issued at 253 PM EDT Mon Sep 25 2017

Models are close enough that the model blend initialization
was accepted for most items.

An upper trough will move through the area Friday bringing another
cold front with it. Moisture is limited though, so the blend`s dry
forecast looks reasonable.

High pressure then builds in and will keep the weekend dry.

Some models differ on whether a system will bring any rain on
Monday. Most models are dry, so will lower the blend`s PoPs into the
slight chance category for now. Confidence is low here.

Temperatures will be seasonable through the period.


.AVIATION /Discussion for the 25/21Z TAF Update/...

Issued at 433 PM EDT Mon Sep 25 2017

No flight category changes.

VFR conditions expected across central Indiana through the early
morning on Tuesday. Brief MVFR visibilities possible from 10 to
13Z with best chances at BMG. Skies will remain mostly clear with
diurnal cu dissipating after sunset and winds will remain less
than 5 kts through the period as high pressure continues across
the state.





NEAR TERM...White/50
SHORT TERM...White/50
AVIATION...White/TDUD is the U.S. government's official web portal to all federal, state and local government web resources and services.