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Somerset, Kentucky 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Somerset KY
National Weather Service Forecast for: Somerset KY
Issued by: National Weather Service Jackson, KY
Updated: 2:31 pm EDT Jul 7, 2026
 
This
Afternoon
This Afternoon: Showers and thunderstorms likely.  Mostly cloudy, with a steady temperature around 83. Light north northeast wind.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely

Tonight

Tonight: Showers and thunderstorms likely before 11pm, then a slight chance of showers and thunderstorms after midnight.  Patchy fog before 2am, then patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 69. Calm wind.  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
Slight Chance
T-storms and
Patchy Fog
Wednesday

Wednesday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 85. Calm wind becoming west around 6 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.
Chance
T-storms and
Patchy Fog
then T-storms
Likely
Wednesday
Night
Wednesday Night: Showers and thunderstorms likely, mainly before 8pm.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Chance
Showers and
Patchy Fog
Thursday

Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Partly sunny, with a high near 85. West southwest wind 3 to 8 mph. Winds could gust as high as 15 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Showers
Likely
Thursday
Night
Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 3am.  Partly cloudy, with a low around 70.
Chance
T-storms

Friday

Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 85. Chance of precipitation is 90%.
Showers then
T-storms

Friday
Night
Friday Night: Showers and possibly a thunderstorm.  Low around 70. Chance of precipitation is 80%.
T-storms


Saturday

Saturday: Showers and possibly a thunderstorm.  High near 84. Chance of precipitation is 80%.
Showers then
T-storms

Hi 83 °F Lo 69 °F Hi 85 °F Lo 68 °F Hi 85 °F Lo 70 °F Hi 85 °F Lo 70 °F Hi 84 °F

Hazardous Weather Outlook
 

This Afternoon
 
Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 83. Light north northeast wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Showers and thunderstorms likely before 11pm, then a slight chance of showers and thunderstorms after midnight. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming west around 6 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.
Wednesday Night
 
Showers and thunderstorms likely, mainly before 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 85. West southwest wind 3 to 8 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
A 40 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 70.
Friday
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 85. Chance of precipitation is 90%.
Friday Night
 
Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 80%.
Saturday
 
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 80%.
Saturday Night
 
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Sunday
 
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Sunday Night
 
Showers and thunderstorms likely. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Monday Night
 
A slight chance of thunderstorms. Mostly clear, with a low around 67. Chance of precipitation is 10%.
Tuesday
 
Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Somerset KY.

Weather Forecast Discussion
051
FXUS63 KJKL 071902
AFDJKL

AREA FORECAST DISCUSSION
National Weather Service Jackson KY
302 PM EDT Tue Jul 7 2026

.KEY MESSAGES...

- Warm and humid weather will persist through the week.

- There is a possibility of showers and thunderstorms through the
  week, especially during the afternoon and evening hours.

- Locally heavy rainfall will be a threat through the next 7 days,
  with a threat of at least isolated instances of flash flooding
  each day.

&&

.SHORT TERM...(This evening through Wednesday night)
Issued at 238 PM EDT TUE JUL 7 2026

Weak flow persists across the Bluegrass State this afternoon, with a
closed mid-level and upper low over the Mid-South region and a weak
quasi-stationary boundary/front located just south to the south and
parallel of the Ohio River. Humid and moderately unstable conditions
persist to the south of the front, and will likely serve as the
impetus for scattered to numerous showers and thunderstorms this
afternoon, diminishing this evening. The relatively weak flow aloft
will support somewhat slow storm motions, which could result in
locally excessive rainfall and resulting high water issues.

The aforementioned surface boundary retreats north of the Ohio River
overnight tonight as mid-level flow increases modestly from the
south and southwest ahead of the weakening/filling mid-level low to
the west. This will keep low chances of showers and storms in the
forecast, but where this is any clearing fog is likely to develop,
especially after midnight and lasting into the mid-morning Wednesday
before lifting/burning off. Expect little in the way of ridge-valley
splits given the high humidity and little change in air mass.

Mid-level flow will be a bit stronger over southeastern Kentucky
Wednesday, but is not expected at this time to be enough to support
organized convection. The biggest impact may be to help provide a
bit more progressive storm motions, as high humidity and moderate
instability remain across eastern Kentucky to the south of the quasi-
stationary front/boundary, which is likely to be located by
Wednesday afternoon between the Ohio River and Interstate 64. Would
thus expect scattered to numerous showers and storms once again
Wednesday afternoon into early evening before activity slowly
diminishes with the loss of daytime heating. Isolated instances of
flash flooding will again be possible where heavy rain moves
repeatedly over the same area.

The mid-level low continues to weaken into an open trough and
crosses the area Wednesday night, supporting at least some
shower/thunderstorm chance through the overnight. Where there is any
clearing, expect widespread fog to develop once again with little in
the way of ridge-valley splits in temperatures once again.

.LONG TERM...(Thursday through Tuesday)
Issued at 302 PM EDT TUE JUL 7 2026

Thursday, a positively tilted trough featuring an area of low
pressure is modeled over the IN/IL/KY area. A secondary upper level
disturbance is also modeled over the Iowa area. Further west, an
area of high pressure remains of the southern California coast.
Heading into Friday the secondary low over Iowa moves into the Ohio
Valley, while ridging amplifies over the western US. Late Friday
evening a third disturbance over the Rockies will spill into the
Plains and eventually into the Ohio and Tennessee Valley by Saturday,
as high pressure continues to build into a 598-dm heat dome over the
Intermountain West.

For sensible weather in Eastern Kentucky, scattered showers and
thunderstorms will be possible through Monday, with chances slowly
diminishing behind a cold frontal passage Sunday. Model PWATs
generally remain above 1.75 inches through a good portion of the
period but peak  Friday evening into Saturday morning. Those PWATs
range anywhere from 2.0-2.1 inches, and according to the ECMWF Mean
PWAT, the values fall within the 90th percentile of climatological
normals. Given the abnormal PWAT, recent rainfall, and potential to
exceed flood guidance with any good storm with the potential for
producing torrential rain, the WPC has placed all of Eastern
Kentucky in a Marginal Risk on Thursday, and a Slight Risk for
Excessive Rainfall both Friday and Saturday.

Tuesday, rising heights will lead to warming temperatures as
multiple models show a 600-dm high over much of the Northern and
Central Plains. One can expect mostly sunny skies and dry
conditions. Temperatures warm into the low to mid 80s through Sunday,
with lows cooling into the upper 60s. With high pressure building
into the area Monday and beyond, temperatures may be a few degrees
warmer into the mid to upper 80s. Otherwise temperatures cool into
the upper 60s.

&&

.AVIATION...(For the 18Z TAFS through 18Z Wednesday afternoon)
ISSUED AT 124 PM EDT TUE JUL 7 2026

Scattered to numerous showers and thunderstorms will impact all of
eastern Kentucky this afternoon, with a good chance of all TAF
sites being impacted at least briefly at some point. Also
anticipate at least some low clouds and fog setting up late
tonight with likely visibility restrictions into dawn Wednesday.
Winds will be light and variable through the period but convection
could bring gusty and erratic outflow winds along with category
reductions.

&&

.JKL WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$

SHORT TERM...CMC
LONG TERM...GINNICK
AVIATION...CMC
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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