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Forecast Discussion for Indianapolis, IN

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060
FXUS63 KIND 231856
AFDIND

Area Forecast Discussion
National Weather Service Indianapolis IN
256 PM EDT Fri Oct 23 2026

.KEY MESSAGES...

- Dry yet pleasant fall weather continues through early next week
  with above normal afternoon highs

- Patchy fog possible in low lying areas late night/early
  mornings through Sunday morning

- A wetter pattern may take shape towards the Halloween weekend

&&

.DISCUSSION (This evening through Friday)...
Issued at 255 PM EDT Fri Oct 23 2026

Quiet weather is expected through the next seven days as surface
high pressure remains dominant across the region. Guidance is in
good agreement through the weekend, showing upper ridging moving
eastward across the region while surface high pressure centered over
the Northeast extends back into central Indiana. Large scale
subsidence from these features will continue to keep the forecast
dry. Light winds combined with mostly clear skies may continue to
promote patchy ground fog in climatologically favored locations the
next few nights.

Temperatures will slightly warm by Sunday due to return flow as
surface high pressure shifts further east. An upper trough moving
across Canada early next week will attempt to push a weak front into
the area. Latest guidance generally shows mean flow becoming parallel
to the boundary which should stall out front as it approaches.
Marginal forcing and very limited moisture from the gulf remaining
cutoff will likely limit any chance for measurable precipitation. A
slight cooldown of a degrees may be the only noticeable impact from
the system, but this will be more due to increasing clouds. Expect
dry conditions to persist as surface high pressure remains in
control.

Ensemble guidance begins to diverge towards late next week resulting
in greater uncertainty. Limited moisture return and weak overall
forcing should keep weather conditions mostly quiet. A deeper trough
along with more substantial moisture advection appears increasingly
likely towards the beginning of November which suggest greater
chances for precipitation. Exact details remain uncertain at this
time. Look for highs to generally range from the upper 60s to mid
70s through the period. Overnight temperatures will mostly fall into
the 40s with slightly warmer lows possible towards the middle of
next week

&&

.AVIATION (18Z TAF Issuance)...
Issued at 1253 PM EDT Fri Oct 23 2026

Impacts:

- Brief MVFR VIS in patchy ground fog possible from 10-13Z Saturday

Discussion:

VFR conditions are expected through the period as surface high
pressure remains over central Indiana. Only a few high clouds and a
light predominately east-southeasterly breeze is expected.

Carbon-copy of recent patchy and at times transient ground fog near
KLAF/KHUF/KBMG is possible pre-dawn Saturday. Any fog that
develops should quickly mix out after sunrise.


&&

.IND WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

AVIATION...Melo
DISCUSSION...Melo

Previous Forecast Discussions may be found at
NWS Indianapolis, IN (IND) Office Forecast Discussions.
(Click 'Previous Version' there to view past versions successively.
Some may differ only in time posted.)

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