Arlington, Virginia 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

681
FXUS61 KLWX 251400
AFDLWX

Area Forecast Discussion
National Weather Service Baltimore MD/Washington DC
900 AM EST Tue Nov 25 2025

.SYNOPSIS...
Low pressure will track into the Great Lakes through the day on
Wednesday causing a strong cold front to move through the area
Wednesday afternoon. High pressure will build back in for the
end of the week.

&&

.NEAR TERM /THROUGH WEDNESDAY/...
Some spotty light rain is beginning to lift across the area from
western Maryland down to central Virginia as of mid morning.

Rain will continue to overspread the area today, exiting to the
east early in the evening. A mid-level dry slot will quickly
work into the area early in the evening with a lull in precip
possible and precip becoming lighter and more convective in
nature. Scattered to numerous showers are expected across the
Alleghenies, northern MD, and east of I-95 tonight with a rumble
of thunder possible mainly east of I-95. Showers will exit
after daybreak Wed as a secondary dry slot moves in ahead of a
strong cold front. A few showers may linger into Wed morning
across northeast Maryland and the Alleghenies before ending by
early afternoon Wed as the cold front sweeps through.

Tightening pressure gradient will support strengthening winds.
However, very stable conditions in the lowest 2kft may inhibit
full mixing. Calendar day lows have already occurred early this
morning, which were in the mid 40s, and will only rise through
the end of the calendar day into Wed morning prior to frontal
passage. Highs today will likely occur just prior to midnight
tonight in continued warm air advection pattern. Temps Wed
morning may be around 60 degs, peak around Noon Wed, and then
begin to fall Wed afternoon after frontal passage.

&&

.SHORT TERM /WEDNESDAY NIGHT THROUGH THURSDAY NIGHT/...
Strong cold air advection pattern will be underway Wed evening with
gusty WNW winds anywhere between 15 to 30 mph depending on
height of mixing layer. Blustery Thanksgiving Day and night with
gusts around 25 mph, except close to 45 mph at higher elevs
where Wind Advisory conditions are possible.

&&

.LONG TERM /FRIDAY THROUGH MONDAY/...
Forecast confidence is high through Saturday. A deep upper trough
along the east coast will push to the east Saturday, allowing
surface high pressure to finally build overhead. Gusty west winds
continue Friday before subsiding Friday night into Saturday. Below
normal temperatures continue. Friday night may be the coldest night
of the stretch, especially in rural areas, with the best potential
overlap of clear skies and light winds. Current forecast low
temperatures range from the mid teens to mid 20s.

Meanwhile, a low pressure system will likely develop across the
central Plains this weekend as a shortwave dives through the
Rockies. There is some uncertainty how quickly this system reaches
the local area, other than there will likely be an increase in
precipitation chances at some point Sunday into Monday. Overall this
system should be mild, but there are some low chances for wintry
precipitation if onset is early enough Sunday, particularly in the
mountains.

&&

.AVIATION /12Z TUESDAY THROUGH SATURDAY/...
Patchy MVFR CIGs this morning from MRB to CHO expand east this
PM into the metros.

Rain today, then showers tonight. A rumble of thunder is also
possible tonight, particularly along and east of I-95. Cigs will drop
to MVFR tonight, possible IFR/LIFR. LLWS is also expected due to
stronger winds aloft and strong inversion in the low levels.

Showers end shortly after daybreak Wed with winds shifting in
the early afternoon in the wake of strong fropa. Continued
blustery Wed night through Thanksgiving night with gusts 20 to
25 kt.

Gusty westerly winds of 20-30 kt remain possible Friday. Otherwise
VFR conditions are expected Friday and Saturday as high pressure
builds in from the west.

&&

.MARINE...
SCA conditions are possible this afternoon and tonight, but not
definite due to strong inversion. Best chance of SCA is over the
southern waters. Then, strong SCA conditions Wed afternoon
through the end of the week in strong cold air advection
pattern. Gales are possible Fri, particularly across the
Chesapeake Bay waters.

Small Craft Advisory conditions likely continue Friday in gusty
westerly flow. Winds slowly diminish Friday night, with sub-advisory
conditions expected by Saturday as high pressure builds
overhead.

&&

.LWX WATCHES/WARNINGS/ADVISORIES...
DC...None.
MD...None.
VA...None.
WV...None.
MARINE...Small Craft Advisory from 3 PM this afternoon to 6 AM EST
     Wednesday for ANZ530>534-537>543.

&&

$$

SYNOPSIS...LFR/DHOF
NEAR TERM...LFR/DHOF
SHORT TERM...LFR/DHOF
LONG TERM...ADS
AVIATION...ADS/LFR/DHOF
MARINE...ADS/LFR/DHOF