Roanoke VA USA Weather Tomorrow and Today 7.21.2022 and 7.20.2022, temp currently is Fair
More on current conditions
Vrbl 5 mph
29.97 in (1013.3 mb)
Heat Index79°F (26°C)
20 Jul 8:54 am EDT
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7 Day Roanoke VA USA Weather Tomorrow and Today
HotHigh: 93 °F
Partly CloudyLow: 74 °F
ChanceT-stormsHigh: 93 °F
ChanceT-storms thenMostly ClearLow: 70 °F
HotHigh: 94 °F
Mostly ClearLow: 70 °F
HotHigh: 97 °F
Mostly ClearLow: 72 °F
HotHigh: 98 °F
We hope you like this weather data for Roanoke VA USA Weather Tomorrow and Today 7.21.2022 and 7.20.2022. Also for the rest of the week, too!
TodayMostly sunny and hot, with a high near 93. Southwest wind 3 to 6 mph. TonightPartly cloudy, with a low around 74. Southwest wind 5 to 7 mph. ThursdayA chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 93. West wind 6 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday NightA chance of showers and thunderstorms, mainly before 7pm. Mostly clear, with a low around 70. West wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. FridaySunny and hot, with a high near 94. Calm wind becoming west around 5 mph in the afternoon. Friday NightMostly clear, with a low around 70.SaturdaySunny and hot, with a high near 97.Saturday NightMostly clear, with a low around 72.SundaySunny and hot, with a high near 98.Sunday NightPartly cloudy, with a low around 73.MondayA chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Chance of precipitation is 50%.Monday NightA chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.TuesdayA chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Chance of precipitation is 50%.
Here’s a detailed discussion below that you might like for Roanoke VA USA Weather Tomorrow and Today 7.21.2022 and 7.20.2022.
Area Forecast Discussion Issued by NWS Blacksburg, VAHome | Current Version | Previous Version | Text Only | Print | Product List | Glossary OffVersions: 1
FXUS61 KRNK 201048
Area Forecast Discussion
National Weather Service Blacksburg VA
648 AM EDT Wed Jul 20 2022
High pressure aloft anchored across the Oklahoma/Texas area will expand
slightly eastward into the Tennessee Valley through the end of the week.
The forecast area will remain on the northeastern periphery of this upper
high which will keep a series of northwest flow disturbances tracking
toward and through the region during the next several days. The next
such disturbance is slated to move through the region early Thursday.
Meanwhile, a weak cold front will dissipate across the
southeastern states through Thursday. Only isolated to widely
scattered showers and/or thunderstorms are expected Wednesday. A
slightly better chance for showers and thunderstorms is
expected Thursday, especially along and east of the Blue Ridge.
The period Friday through Sunday is expected to be mostly dry.
Very warm and humid conditions are expected all week.
.NEAR TERM /THROUGH TONIGHT/…
As of 330 AM EDT Wednesday…
Showers mainly along and west of I-77 Corridor Today.
Low level moisture convergence has been gradually increasing on
the west side of the Appalachians per increasing westerly wind
flow aloft and pooling of CAPE vcnty of Knoxville. This will
allow for scattered showers and thunderstorms to develop this
morning across the TN valley with downstream movement into our
western counties, primarily west of I-77 this morning, then
potentially into areas farther east this afternoon.
Fog which developed in some of the mountain valleys overnight,
such as the Greenbrier Valley, will dissipate mid morning.
Clouds today sct-bkn across the mountains and mainly scattered
east across the piedmont.
For the afternoon, expecting moisture from TN Valley to
gradually advect into the forecast area with potential for
showers and a few afternoon thunderstorms. Again, greatest
concentration for this activity to be mainly along and west of
I-77 corridor, but do think as day progresses this activity may
reach into foothills and piedmont… accounting for a slight
chance threat for measurable precip there. Temperatures today
may be muted a few degrees in the NC mountains where highs
remain AOB 80…but numbers elsewhere should rebound well into
the 80s, with lower 90s expected for the piedmont.
For tonight, will be monitoring progress of an upper level
trough of Low pressure moving across the Great Lakes…headed
for the central Appalachian. A surface cold front is expected
to make its way across the Ohio Valley, reaching our WV counties
after midnight and then to along the Blue Ridge by daybreak
Thursday. Frontal lift will support an organized line of showers
and thunderstorms as it crosses the Ohio Valley, these
showers/storms weakening tonight with the loss of daytime
heating. Due to their late arrival, confidence low that activity
will make it over the mountains before dissipating.
.SHORT TERM /THURSDAY THROUGH SATURDAY NIGHT/…
As of 300 AM EDT Wednesday…
A cold front will bring showers and storms to parts of the region on
Thursday, and will be followed by drier weather heading into the
On Thursday, a cold front is still expected to cross the region on
Thursday. Timing of this front as compared to peak heating of the
day is expected to yield the best coverage of showers and storms
over the far eastern and southeastern sections of the area. Prior to
peak heating coverage is expected to be not as robust.
The front is expected to continue heading southeast Thursday night,
allowing surface high pressure to build into the area. This high
will continue becoming more centered over the region Friday into
Saturday. This trend is expected to yield limited, if any, chances
of precipitation Friday into Saturday, and slightly less humid
Temperatures across the area on Thursday are expected to average five
to ten degrees above normal with Friday and Saturday closer to five
degrees above normal.
Confidence in the above weather scenario is moderate to high.
.LONG TERM /SUNDAY THROUGH TUESDAY/…
As of 300 AM EDT Wednesday…
After a relatively dry Sunday, early next week will trend towards
greater chances of showers and storms.
High pressure over the region will provide one more day on Sunday of
mainly precipitation-free conditions along with above normal
temperatures. As we head into early next week, the center of the
high will shift over the far southeast U.S. This will allow an
upstream cold front to more easily approach, and then eventually
arrive over the area. This reality will result in low level
trajectories to keeping Gulf of Mexico moisture and above normal
temperatures advecting into the region, all in advance of the
approaching front. Robust and high moisture laden showers and storms
Temperatures during this portion of the forecast are expected to
average five to ten degrees above normal.
Confidence in the above weather scenario is moderate with the timing
of the approach of the cold front the biggest question.
.AVIATION /11Z WEDNESDAY THROUGH SUNDAY/…
As of 648 AM EDT Wednesday…
Generally VFR expected during the 24 hour TAF period. Exceptions
will be some river valley fog in the mountains with potential
for IFR-LIFR for a few hours this morning at terminals like
KLWB. Any fog is expected to dissipate by 14Z/10AM. Showers will
also be on the increase across eastern TN and into the NC
mountains this morning, so potential for MVFR cigs/vsbys
expected west of the Appalachian Divide associated with these
showers. As the day progresses, moisture advecting across the
mountains from the west is expected to generate buildups across
the mountains this afternoon, with additional opportunity for
.Extended Aviation Discussion…
A weak frontal system will drift from northwest to southeast
across the region tonight into Thursday. Moisture and dynamics
appear to be somewhat limited with this system and
overnight/morning timing not favorable for widespread
precipitation. Nonetheless, some showers/thunderstorms could
drift into the region from the northwest Wednesday Night before
dissipating. Redevelopment of convection is possible along the
remnant frontal boundary mainly east and south of the Blue Ridge
Thursday afternoon. Dry conditions are expected for the most
part for the remainder of the week and into the weekend as the
aforementioned upper ridge generally tends to suppress
convection. However, being on the northeastern periphery of this
upper ridge, isolated to widely scattered convection is
possible during the afternoon/evening, especially across the
mountains form roughly TNB-HLX-LWB and westward. The next chance
for more widespread convection does not occur until early next
week. Thus much of the period from Friday through Sunday should
be VFR outside of late night/early morning fog/low clouds.
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