IWX issues Area Forecast Discussion (AFD) at Nov 24, 12:49 PM EST299
FXUS63 KIWX 241749
AFDIWX
Area Forecast Discussion
National Weather Service Northern Indiana
1249 PM EST Mon Nov 24 2025
.KEY MESSAGES...
- Mild today and Tuesday with highs in the 50s.
- Rain developing tonight then ending over most areas Tuesday
afternoon.
- Turning much colder with highs only in the 30s Thanksgiving
Day through Saturday.
- Rain developing again Wednesday then changing to snow. Snow
ending Thursday night. Some accumulations likely near and
north of the toll road.
&&
.DISCUSSION...
Issued at 412 AM EST Mon Nov 24 2025
High pressure continued over the entire forecast area early this
morning. The high pressure area had brought clear skies, calm
winds and chilly overnight temperatures. Readings as of 3 AM EDT
were mostly in the upper 20s as the dry ground and the lower
atmosphere were really radiating out. These conditions will
bring large diurnal spreads again today. Highs are expected to
rise around 25 degrees from the overnight lows in the 20s. This
range is around 10 degrees above the normal range of around 15.
A pair of upper level disturbances will bring an extended wet
period for much of this upcoming week. The first system will
bring light rain tonight and early Tuesday. Rainfall amounts
will generally be less than four tenths of an inch with many
areas under at quarter of an inch. Mild temperatures will
prevent snow. The second upper level system will bring another
round of precipitation with rain changing to snow Wednesday.
This system will combine with a strong shortwave topping the
Pacific ridge and then eject northwest of the forecast area.
Rain and wet snow will result this weekend. Travel impacts
initially appear limited. The upper level ridge will start to
build back across the Midwest in response to upstream
teleconnections. Milder temperatures should start to return
Monday.
&&
.AVIATION /18Z TAFS THROUGH 18Z TUESDAY/...
Issued at 1249 PM EST Mon Nov 24 2025
An area of low pressure over the central plains this aftn will
shift east into the Ohio valley by the end of the fcst period.
Lowering cigs is expected through the forecast period with
chances for light rain/showers beginning overnight after 02z
for KSBN and 04z for KFWA. MVFR cigs during predominant periods
of light rain expected by 10Z 06z Tue will lower to IFR around
12Z. SSE winds 10 knots or less are expected through the
forecast period.
&&
.IWX WATCHES/WARNINGS/ADVISORIES...
IN...None.
OH...None.
MI...None.
MARINE...Gale Watch from late Tuesday night through Thursday evening
for LMZ043-046.
&&
$$
DISCUSSION...Skipper
AVIATION...MF
Source:
IWX issues Area Forecast Discussion (AFD) at Nov 24, 12:49 PM EST---------------
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