IWX issues Area Forecast Discussion (AFD) at Nov 9, 2:33 PM EST969
FXUS63 KIWX 091933
AFDIWX
Area Forecast Discussion
National Weather Service Northern Indiana
233 PM EST Mon Nov 9 2026
.KEY MESSAGES...
- Remaining dry with above normal temperatures into Tuesday.
- A chance for rain (40-70%) late Wednesday into Thursday.
- Cooler weather and lingering chances for lake effect showers into
Thursday night and Friday.
&&
.DISCUSSION...
Issued at 210 PM EST Mon Nov 9 2026
Mild weather will continue through Tuesday with slightly above
normal temperatures and dry conditions due to a large surface
high pushing up from the south. Mostly clear skies tonight will
allow temperatures to fall into the lower 40s. It will not be
quite as cold as last night since southwest winds will
contribute to better boundary layer mixing. This should also
keep fog and frost from forming. Winds will diminish
considerable though by Tuesday night to near calm, and
radiational cooling will drop temperatures into the mid 30s. The
HRRR is also indicating a large area of dense fog developing
across the region on Wednesday morning, which may require
advisories.
A deep trough then moves across the Midwest on Wednesday,
bringing rain to the local area by late afternoon and evening.
The accompanying cold front will also bring breezy north winds
going into Thursday. This northerly flow will result in lake
effect rain showers, and then possibly snow showers on Thursday
night and Friday. Right now it is too early to tell exactly how
much snow will fall, but with the recent warm weather, roadways
should stay warm enough for little to no accumulation. While it
will remain cool on Friday, temps will rise into the low 40s,
causing subsequent melting. Showers should taper off on Saturday
as the large scale low advects farther east of the region and
high pressure builds back in from the west. Dry weather is then
expected on Sunday and Monday with gradually warming
temperatures. Mondays highs are forecast to be back in the mid
50s again.
&&
.AVIATION /18Z TAFS THROUGH 18Z TUESDAY/...
Issued at 1226 PM EST Mon Nov 9 2026
VFR conditions will prevail with only a few high cirrus over the
next 24 hours. There will probably be some patchy ground fog
again on Tuesday morning, but confidence is low that it will
impact the terminals, so left out of the forecast for now. Light
southwest winds will shift west-northwest on Tuesday with the
passage of a weak cold front.
&&
.IWX WATCHES/WARNINGS/ADVISORIES...
IN...None.
OH...None.
MI...None.
MARINE...None.
&&
$$
DISCUSSION...Cobb
AVIATION...Cobb
Source:
IWX issues Area Forecast Discussion (AFD) at Nov 9, 2:33 PM EST---------------
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