Weather alerts for the NWS Indianapolis IN forecast area

000
FXUS63 KIND 281006
AFDIND

Area Forecast Discussion
National Weather Service Indianapolis IN
606 AM EDT Wed Oct 28 2026

.KEY MESSAGES...

- Dry and unseasonably high temperatures to continue through Friday, 
  afternoon highs in the 70s.

- A wetter pattern may take shape for the Halloween weekend.

&&

.DISCUSSION (Today through Tuesday)...
Issued at 247 AM EDT Wed Oct 28 2026

Surface analysis early this morning shows strong high pressure over 
New England, maintaining control of the weather across points east 
of the Mississippi. A weak upper trough was found over WI and IL, 
pushing east. Ahead of this trough an area of clouds were seen 
across Indiana, while water vapor showed subsidence in the wake of 
the trough over IA/IL and the southern plains. Winds were light to 
calm across central Indiana dew points were in the upper 40s or 
lower 50s.

Today and Tonight...

More above normal temperatures and more sunshine is expected across 
Central Indiana today. Weak ridging aloft is expected to push across 
Central Indiana today as the clouds and upper trough over the area 
depart early this morning. This will lead to a mostly sunny day and 
continued warm temperatures. The surface high pressure system to the 
east will continue to provide a warm an southerly flow of air to 
Central Indiana, allowing highs to reach the middle 70s and a few 
upper 70s. Time heights and forecast soundings show a dry column 
today and tonight with subsidence in play.

Thursday and Friday.... 

West to southwest flow is expected to be in place on Thursday, 
transitioning to a upper ridge on Friday. Little to no forcing 
dynamics are in expected to pass on Thursday. The upper ridge looks 
to protect Indiana from any forcing on Friday. Meanwhile at the 
surface, a cold front will drop out of the upper midwest on Thursday 
afternoon and stall over Central Indiana. This really is a the tail 
of the front extending well into Quebec and there is little forcing 
or moisture associated with it, as it is more of a cusp between two 
high pressure systems. Forecast soundings through this period show a 
few clouds on Thursday night, but never come close to saturation. 
Thus more dry and warm weather will be expected. Southwest flow 
ahead of the front on Thursday will allow for highs to reach the 
upper 70s to around 80 on Thursday, with cooler values expected in 
the wake of the front for Friday.

Saturday through Tuesday...

The upper pattern during this time suggests upper ridging over the 
plains on Saturday, pushing through Indiana on Sunday and Monday 
before reaching the east coast by Tuesday. As the flow become more 
southwesterly on the windward side of the ridge on Sunday through 
Tuesday, models suggest waves of upper forcing embedded within the 
flow pushing toward Indiana. Furthermore, Isentropic surfaces show 
an ongoing pattern of broad lift. Within the lower levels, high 
pressure is suggested to over the eastern Great Lakes and Middle 
Atlantic states on Saturday and Sunday before pushed off the coast 
for Monday and Tuesday. The lower level east or southeasterly flow 
will allow for an overrunning setup on Saturday through Monday. By 
Tuesday, a deeper low pressure system over the southern plains is 
suggested to set up allowing an associated warm front to reside over 
Central IL and Indiana. Best chances for rain at this time look to 
be Sunday, Sunday Night and Tuesday, but with all these ingredients 
in place through this period, smaller chances cannot be ruled out 
yet on late Saturday and Monday. Due to the cloud cover and 
precipitation during the period, expect lows in the 50s, but highs 
mainly reaching only the mid to upper 60s. Normal high temperatures 
for this time of year is in the upper 50s.

&&

.AVIATION (12Z TAF Issuance)...
Issued at 606 AM EDT Wed Oct 28 2026

Impacts:

- VFR conditions are expected this TAF period.

Discussion:

GOES19 shows a wave of upper clouds associated with an upper trough 
pushing east and exiting Indiana. A small area of AC as seen on 
GOES19 will push across the LAF through 14Z, but otherwise unlimited 
cigs and continued VFR conditions are expected today.  

Ridging aloft today along with surface high pressure settled east of 
Indiana will result in more dry weather for Indiana. Forecast 
soundings through the day suggest a dry column and little to no 
cloud cover is seen upstream in the wake of the departing mid and 
high clouds. Thus VFR.

Overall, no significant changes in the ongoing TAFs.

&&

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

$$

AVIATION...Puma
DISCUSSION...Puma