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Dale City, Virginia 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Dale City VA
National Weather Service Forecast for: Dale City VA
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Updated: 2:07 am EDT Jul 8, 2025
 
Overnight

Overnight: Mostly clear, with a low around 74. West wind 3 to 5 mph.
Mostly Clear


Tuesday

Tuesday: Showers and thunderstorms likely, mainly after 5pm.  Increasing clouds, with a high near 94. Heat index values as high as 105. Calm wind becoming south 5 to 8 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunny then
T-storms
Likely

Tuesday
Night
Tuesday Night: Showers and thunderstorms likely, mainly before midnight.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 73. North wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Isolated
T-storms and
Patchy Fog
Wednesday

Wednesday: Showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Patchy Fog
then T-storms
Likely

Wednesday
Night
Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 72. South wind 3 to 5 mph.  Chance of precipitation is 60%.
T-storms
Likely then
Chance
Showers
Thursday

Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 88. Chance of precipitation is 80%.
Chance
Showers then
T-storms

Thursday
Night
Thursday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Low around 71. Chance of precipitation is 80%.
T-storms then
Chance
Showers

Friday

Friday: Showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 89. Chance of precipitation is 60%.
Partly Sunny
then Showers
Likely

Friday
Night
Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Showers
Likely then
Chance
T-storms
Lo 74 °F Hi 94 °F Lo 73 °F Hi 90 °F Lo 72 °F Hi 88 °F Lo 71 °F Hi 89 °F Lo 72 °F

Hazardous Weather Outlook
Heat Advisory
Flood Watch
 

Overnight
 
Mostly clear, with a low around 74. West wind 3 to 5 mph.
Tuesday
 
Showers and thunderstorms likely, mainly after 5pm. Increasing clouds, with a high near 94. Heat index values as high as 105. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
Showers and thunderstorms likely, mainly before midnight. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 73. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
Showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
 
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. South wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday
 
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 80%.
Thursday Night
 
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 71. Chance of precipitation is 80%.
Friday
 
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Friday Night
 
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Saturday
 
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
Saturday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday
 
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Sunday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Monday
 
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.

 

Forecast from NOAA-NWS for Dale City VA.

Weather Forecast Discussion
073
FXUS61 KLWX 080136
AFDLWX

Area Forecast Discussion
National Weather Service Baltimore MD/Washington DC
936 PM EDT Mon Jul 7 2025

.SYNOPSIS...
The remnants of Chantal will continue to move offshore and away
from the area through the rest of the day. Meanwhile, a cold
front will slowly sag southward through the middle of the week.
Several areas of low pressure moving along this boundary will
bring daily chances for showers and thunderstorms through at
least this weekend.

&&

.NEAR TERM /UNTIL 6 AM TUESDAY MORNING/...
Storms continue to slowly drift southeastward this evening ahead
of a cold front located over the Ohio Valley. At the moment,
most of this activity is located across PA and WV, but a few
thunderstorms are just starting to make it into northern and
western MD. These storms may persist over the next hour or two,
but the trend is expected to be for these storms to weaken and
then eventually dissipate as we progress through the overnight.
Conditions will remain warm and humid overnight, with lows in
the 70s for most.

&&

.SHORT TERM /6 AM TUESDAY MORNING THROUGH WEDNESDAY NIGHT/...
The aforementioned cold front will inch closer to the region on
Tuesday. Ahead of that, a hot and humid summer air mass will
remain in place. This looks to be a classic summer severe
thunderstorm threat across our region. With the approaching
front moving into such an unstable air mass, a pre-frontal
trough develops along the I-81 corridor during the early/mid
afternoon hours. This will act to initiate convection, and there
should be plenty of instability to work with (on the order of
2000-3000 J/kg of MUCAPE). This will be paired with at least
modest deep-layer shear (20-25 knots) as a relatively potent
shortwave slides by to our north. This should support some
semi-organized clusters of thunderstorms, with damaging wind
gusts being the primary threat. Very high PWATs could somewhat
limit that threat, along with somewhat poor mid-level lapse
rates, but still think there will be some wet microbursts that
bring down severe winds. Additionally, if some of these clusters
can become more organized as the atmosphere modifies locally,
could certainly see some damaging wind swaths as well. Very
high precipitable water values (2+ inches) and deep warm cloud
layers will support very heavy rainfall rates at times (perhaps
up to 3"/hr at times). There may be enough flow aloft for
storms to be somewhat progressive, but any sort of merging or
backbuilding on the mesoscale would produce a localized flooding
threat. A Flood Watch may need to be considered on future
shifts.

Before storms arrive, heat index values may reach the upper 90s
and lower 100s. For areas east of the I-95 corridor, where dew
points will be much higher pooled along the Chesapeake Bay, Heat
Advisories were issued for heat indices around 105 degrees.

There`s some uncertainty on where the front ends up Wednesday,
but could bisect the area. Model consensus places the highest
chance of storms across the southern half of the area, but all
locations could see some rain. The main threat will be heavy
rain/localized flooding given the continued moist environment,
but a localized damaging storm can`t be ruled out. Very warm and
humid conditions continue with highs in the upper 80s and lower
90s. Storms will likely follow a diurnal trend again.

&&

.LONG TERM /THURSDAY THROUGH MONDAY/...
Very little change is expected in the persistent pattern which spans
this entire week. Summertime heat, humidity, and daily thunderstorm
chances will be the norm during this period. At the same time, the
forecast frontal analysis generally favors a boundary that meanders
about the region. Such boundaries often get re-positioned by
convective-scale processes which are difficult to forecast this far
out in time. Where this frontal system ultimately sets up each day
will dictate the degree of threats such as severe weather, flash
flooding, and excessive heat. However, until further notice, there
is really no let up in sight.

Looking a bit more closely at the synoptic-scale pattern, above
average heights persist over the southwestern U.S. At the same time,
the northern stream remains amplified, but the core of height falls
largely stay near the international border with Canada. This
ultimately supports the idea that the frontal zone will largely be
difficult to nudge out of the region. The focus for any convection
would be with embedded shortwaves within this broad longwave
troughing regime. Additionally, any upstream complexes that develop
more mesoscale-based phenomena (i.e., mesoscale convective
complexes, outflow boundaries, etc.) may also be triggers. There is
some hint in the global ensembles that a more amplified trough may
approach the area by early next week. Perhaps this finally nudges
the stalled front to the south of the region.

Global ensembles show a rather consistent signal in the temperature
forecast ahead. Daily highs largely sit in the mid to upper 80s,
with overnight temperatures in the upper 60s to low 70s. As usual,
mountain locations can expect cooler readings with highs in the 70s
and lows in the 60s.

&&

.AVIATION /01Z TUESDAY THROUGH SATURDAY/...
Tonight should be dry with light winds. There isn`t a strong
signal for fog, but can`t rule out some patchy spots.

Thunderstorm coverage will likely be fairly widespread Tuesday
afternoon and evening with heavy rain and gusty winds being
threats. Severe thunderstorms are becoming increasingly likely
for a period during the late afternoon/evening hours. All
terminals could be impacted, and damaging wind gusts in excess
of 50 knots and large hail will both be potential threats as
this line moves through. Tried to give a rough 3 hour window in
the 18z TAF for planning purposes, but the worst impacts will
likely only be felt for an hour or so during that time window.

Patchy fog could again form Tuesday night, especially in areas
where it rained.

With the threat of afternoon/evening thunderstorms each day between
Wednesday and Saturday, likely longer, restrictions will be
possible due to such storms. At this time range, the uncertainty
is quite high in terms of where any possible impacts would
occur. While the current forecast package shows a multitude of
possible wind shifts, when/if these will occur is also
uncertain. This is of course dependent on the location of the
frontal zone and where convective boundaries develop.

&&

.MARINE...
Generally sub-SCA winds are expected through Tuesday, though
some isolated gusts to 20 kt can`t be ruled out. More widespread
coverage of thunderstorms is expected during the afternoon and
evening hours, which are becoming increasingly more likely to
bring strong winds along with them.

Sub-advisory caliber winds are expected for Wednesday through
Friday. Gradients remain rather weak with wind direction being
dictated by the position of the front and any convective- scale
processes. Given afternoon/evening showers and thunderstorms in
the forecast, hazardous conditions are possible at times over
the waterways. The more robust activity may require Special
Marine Warnings.

&&

.LWX WATCHES/WARNINGS/ADVISORIES...
DC...None.
MD...Heat Advisory from 1 PM to 7 PM EDT Tuesday for MDZ008-011-013-
     014-016>018-508.
VA...Heat Advisory from 1 PM to 7 PM EDT Tuesday for VAZ057.
WV...None.
MARINE...Heat Advisory from 1 PM to 7 PM EDT Tuesday for ANZ530.

&&

$$

SYNOPSIS...CJL
NEAR TERM...KJP
SHORT TERM...ADS/CJL
LONG TERM...BRO
AVIATION...BRO/CJL
MARINE...BRO/CJL
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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