IWX issues Area Forecast Discussion (AFD) at Oct 26, 7:28 PM EDT777
FXUS63 KIWX 262328
AFDIWX
Area Forecast Discussion
National Weather Service Northern Indiana
728 PM EDT Sun Oct 26 2025
.KEY MESSAGES...
- Seasonably cool and dry weather continues through Tuesday.
- Rain is possible (30-60%) at times Wednesday through Friday
with cool temperatures continuing.
&&
.DISCUSSION...
Issued at 228 PM EDT Sun Oct 26 2025
Seasonably cool temperatures and dry low level easterly flow to
persist through Tuesday on the southern fringes of a prominent upper
ridge. The low level height gradient does tighten a bit into Monday
and Tuesday with diurnally driven gusts approaching 20 mph. Skies
will generally trend mostly clear to partly cloudy otherwise as some
mid-high level cloud cover sneaks in at times on the northern
periphery of a weak low meandering east into the TN Valley.
Model guidance agrees on an incoming northern pacific jet closing
off an upper low into the western OH/TN Valleys Tuesday night
through Wednesday night. This feature then interacts in some fashion
with a Northeast CONUS upper low and lifts northward with some
deepening to the sfc reflection noted in guidance Thursday into
early Friday. The 12z trend overall was toward the farther south and
east solution with more appreciable rainfall within the system
deformation axis pivoting around the area (drier). Still plenty of
spread in ensembles given the uncertainties in these upper low
mergers. Thus, opted not to deviate from NBM broadbrush chance PoPs
mid-late week.
&&
.AVIATION /00Z TAFS THROUGH 00Z TUESDAY/...
Issued at 726 PM EDT Sun Oct 26 2025
VFR Conditions are expected at the TAF sites with steady east-
northeast flow persisting through the period. Winds will
strengthen Monday afternoon, with gusts up to around 20 mph.
&&
.IWX WATCHES/WARNINGS/ADVISORIES...
IN...None.
OH...None.
MI...None.
MARINE...None.
&&
$$
DISCUSSION...Steinwedel
AVIATION...MCD
Source:
IWX issues Area Forecast Discussion (AFD) at Oct 26, 7:28 PM EDT---------------
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