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Kingsport, Tennessee 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Kingsport TN
National Weather Service Forecast for:
Kingsport TN
Issued by: National Weather Service Morristown, TN |
| Updated: 2:26 am EDT May 26, 2026 |
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Today
T-storms
Likely
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Tonight
T-storms
Likely then
Slight Chance
Showers
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Wednesday
Showers
Likely
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Wednesday
Night
Showers
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Thursday
Showers
Likely
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Thursday
Night
Chance
Showers then
Mostly Cloudy
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Friday
Partly Sunny
then Slight
Chance
T-storms
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Friday
Night
Slight Chance
T-storms then
Slight Chance
Showers
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Saturday
Chance
Showers
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| Hi 84 °F |
Lo 64 °F |
Hi 82 °F |
Lo 63 °F |
Hi 83 °F |
Lo 58 °F |
Hi 83 °F |
Lo 59 °F |
Hi 80 °F |
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Hazardous Weather Outlook
Today
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A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 84. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Tonight
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Showers and thunderstorms likely before midnight, then a slight chance of showers after 4am. Increasing clouds, with a low around 64. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Wednesday
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A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Wednesday Night
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Showers and possibly a thunderstorm. Low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. |
Thursday
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Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. |
Thursday Night
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A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 58. Northeast wind around 5 mph. |
Friday
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A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Calm wind. |
Friday Night
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A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%. |
Saturday
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A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 30%. |
Saturday Night
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A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%. |
Sunday
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A 30 percent chance of showers. Mostly sunny, with a high near 79. |
Sunday Night
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A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54. |
Monday
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A 20 percent chance of showers. Mostly sunny, with a high near 78. |
Forecast from NOAA-NWS
for Kingsport TN.
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Weather Forecast Discussion
401
FXUS64 KMRX 260547
AFDMRX
Area Forecast Discussion
National Weather Service Morristown TN
147 AM EDT Tue May 26 2026
...New DISCUSSION, AVIATION...
.KEY MESSAGES...
Updated at 134 AM EDT Tue May 26 2026
- Periods of scattered rain and thunderstorms to continue. A
complete wash out is not expected, but low potential for flooding
still continues, especially as total rainfall begins to pile on.
- Rain chances remain generally elevated until this weekend, when
finally a drier airmass from the north may be able to replace
the stagnant and saturated weather pattern.&&
.DISCUSSION...
Issued at 134 AM EDT Tue May 26 2026
The drum beat of daily rain chances in the war against drought
continues. CAMs have another day of scattered showers and
thunderstorms during the mid afternoon and evening hours again
today. Despite the moist airmass and another day of scattered
storms, I`m not sold on the need for another day of a large scale
flood watch here. Heavy rainfall amounts the past 24 hours were once
more isolated in nature, and while flash flooding is again possible,
the continued isolated nature of the bouts of heavy rain makes a
massive watch seem too broad an instrument. There`s also no
guarantee that those who saw rain yesterday see rain again today or
tomorrow. Mean wind vectors in the atmosphere should allow for
storms to keep steady motions, and not sit and dump on any one town
for too long. There`s some weak low level shear present today, with
the HRRR painting light helicity tracks across the region. Better
shear is present in Kentucky, and while we may see transient
rotation in more mature cells later, not expecting a severe threat
today.
After today, we have a few more days of high moisture just pooling
over the Mid South region, with generally light forcing dynamics
continuing. The front looks to move slightly further north into
Kentucky but generally remain stationary. By Friday the front moves
to our south, though some models (such as the Euro) keep things
stationary and close enough on our southern side through the weekend
to warrant low PoPs. Should the front make it a little further
south, as the GFS depicts, then the weekend may be drier for all.
From the weekend onwards into early June the longer range ensembles
bring about a drying out period, with the EPS mean PWAT dropping to
1" or less next week. This should give everyone an opportunity to
deal with outdoor chores, and a time for locations to dry out once
more.
&&
.AVIATION...
(06Z TAFS)
Issued at 134 AM EDT Tue May 26 2026
Currently VFR conditions are present across the region. MVFR
conditions are possible in the early morning hours. Patchy fog is
possible but will likely not be dense. Shower activity will
increase in the morning hours, becoming widespread in the
afternoon and evening hours. Confidence in thunderstorm
development is higher today for the afternoon/early evening hours.
Showers and storms are expected to taper off after sunset this
evening.
&&
.PRELIMINARY POINT TEMPS/POPS...
Chattanooga Airport, TN 79 66 82 66 / 80 80 90 40
Knoxville McGhee Tyson Airport, TN 80 65 81 65 / 70 80 90 70
Oak Ridge, TN 79 64 81 63 / 80 80 100 70
Tri Cities Airport, TN 81 62 80 61 / 80 60 90 70
&&
.MRX WATCHES/WARNINGS/ADVISORIES...
NC...Flood Watch until 3 AM EDT early this morning for Cherokee-Clay.
TN...Flood Watch until 3 AM EDT /2 AM CDT/ early this morning for
Anderson-Bledsoe-Blount Smoky Mountains-Bradley-Cocke Smoky
Mountains-East Polk-Grainger-Hamblen-Hamilton-Jefferson-
Knox-Loudon-Marion-McMinn-Meigs-North Sevier-Northwest
Blount-Northwest Carter-Northwest Cocke-Northwest Greene-
Northwest Monroe-Rhea-Roane-Sequatchie-Sevier Smoky
Mountains-Southeast Carter-Southeast Greene-Southeast
Monroe-Unicoi-Washington TN-West Polk.
VA...NONE.
&&
$$
DISCUSSION...Wellington
AVIATION...McD
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