811
FXUS63 KIWX 080739
AFDIWX

Area Forecast Discussion
National Weather Service Northern Indiana
339 AM EDT Tue Jul 8 2025

.KEY MESSAGES...

- An area of dense fog over northeast Indiana to lift early
  this morning.

- Very warm and humid into early next week with highs in the
  80s each day.

- Heat indices will be around 90 to 95 Friday and Saturday
  afternoons.

- Daily chances for showers and thunderstorms starting
  Wednesday.

&&

.DISCUSSION...
Issued at 128 AM EDT Tue Jul 8 2025

An area of dense fog had developed over the northeast corner of
Indiana early this morning north of Auburn in the vicinity of
Angola where skies had cleared and winds had become calm. The
fog should be relatively shallow and mix out by 9 AM EDT.

There will be a steady stream of pacific energy topping the upstream
subtropical ridge and reaching the forecast area into early next
week. This energy in the form of upper level disturbances (vort
maxes) and upper level trofs will continue to enhance the chance for
thunderstorms. The strongest upper level trof will reach the area
Friday. This system will bring the greatest chance for rain through
early next week; however, rainfall amounts at this time are only
be expected to be up to a quarter of an inch. Otherwise, the
very warm and humid conditions will persist for the next 7 days
with highs in the 80s. Heat indices will be highest Friday and
Saturday afternoons with values from around 90 to 95.

&&

.AVIATION /06Z TAFS THROUGH 06Z WEDNESDAY/...
Issued at 117 AM EDT Tue Jul 8 2025

Still fairly moist low levels with dew point depressions from 3
to 6 degrees currently, the lower being at KFWA which seems to
have the better chance of vsbys lowering to IFR however still
could see MVFR/IFR vsbys for KSBN even though a tad drier at
that site but could see the better cooling overnight there to
help develop mist. Otherwise, VFR conditions through the
remainder of the TAF period with light variable to southwesterly
winds.

&&

.IWX WATCHES/WARNINGS/ADVISORIES...
IN...None.
OH...None.
MI...None.
MARINE...None.

&&

$$

DISCUSSION...Skipper
AVIATION...Andersen