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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: 8:30 am EDT Oct 19, 2025
 
Today

Today: Showers, mainly before 2pm.  Temperature falling to around 53 by 5pm. Windy, with a south wind 13 to 20 mph becoming west in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Showers and
Windy
Tonight

Tonight: Cloudy during the early evening, then gradual clearing, with a low around 36. West wind 5 to 14 mph, with gusts as high as 20 mph.
Gradual
Clearing
Monday

Monday: Patchy frost before 9am.  Otherwise, sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon.
Patchy Frost
then Sunny
Monday
Night
Monday Night: Clear, with a low around 45. South wind 5 to 7 mph.
Clear

Tuesday

Tuesday: Mostly sunny, with a high near 68. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Mostly Sunny
then Sunny
and Breezy
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 39.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 61. Breezy.
Sunny then
Sunny and
Breezy
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 37.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 64.
Sunny

Hi 65 °F Lo 36 °F Hi 66 °F Lo 45 °F Hi 68 °F Lo 39 °F Hi 61 °F Lo 37 °F Hi 64 °F

Wind Advisory
Hazardous Weather Outlook
 

Today
 
Showers, mainly before 2pm. Temperature falling to around 53 by 5pm. Windy, with a south wind 13 to 20 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
 
Cloudy during the early evening, then gradual clearing, with a low around 36. West wind 5 to 14 mph, with gusts as high as 20 mph.
Monday
 
Patchy frost before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
 
Clear, with a low around 45. South wind 5 to 7 mph.
Tuesday
 
Mostly sunny, with a high near 68. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
 
Mostly clear, with a low around 39.
Wednesday
 
Sunny, with a high near 61. Breezy.
Wednesday Night
 
Mostly clear, with a low around 37.
Thursday
 
Sunny, with a high near 64.
Thursday Night
 
Mostly clear, with a low around 38.
Friday
 
Mostly sunny, with a high near 64.
Friday Night
 
A 20 percent chance of showers. Mostly cloudy, with a low around 44.
Saturday
 
A 20 percent chance of showers. Partly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Somerset KY.

Weather Forecast Discussion
731
FXUS63 KJKL 191237
AFDJKL

AREA FORECAST DISCUSSION
National Weather Service Jackson KY
837 AM EDT Sun Oct 19 2025

.KEY MESSAGES...

- A potent cold front will bring strong wind gusts as it crosses
  the area late tonight through midday Sunday.

- Following the front, expect blustery conditions with gusty
  showers and falling temperatures on Sunday afternoon and evening.

- Another round of strong, gusty winds is expected on Tuesday
  afternoon as a second, but dry cold front moves through.

- Much colder air will settle in for the middle of the week,
  leading to the potential for frost in sheltered valleys on
  Tuesday, Wednesday, and Thursday nights.

&&

.UPDATE...
Issued at 836 AM EDT SUN OCT 19 2025

Latest obs have been blended into the forecast, not resulting in
any substantive changes. However, have noted that the 06Z run of
the NAM now shows some potential for thunder (weak instability
with parcels rising past -20C) this afternoon as the upper trough
axis pushes in from the west with a slight negative tilt. There
has been thunder upstream with this feature early this morning
over southern IL, western KY, and southwest IN. This will be
monitored, and day shift may need to put a mention of thunder back
into the forecast.

&&

.SHORT TERM...(Today through Monday)
Issued at 617 AM EDT SUN OCT 19 2025

A potent but progressive upper level trough and its associated
surface cold front are approaching from the west early this
morning. A tight pressure gradient is bringing warm/moist
advection along and ahead of the front, with mixed locations
unusually mild in the lower 70s. Combined with the dynamics at
play, it`s resulting in a combination of stratiform rain and
locally heavier showers accompanying the system. Limited mixing is
also allowing for gusts of 30-35 mph. It`s questionable whether
anyone actually makes Wind Advisory criterion of 40 mph today,
but the advisory has been left to ride with a mention of some
isolated gusts near 40 mph. Forecast soundings suggest that
convection will be capped too low for thunderstorms today, and
only showers are being carried in the forecast at this point. Cold
mid level temps will allow for showers to persist behind the cold
front late today, especially in our northeastern counties. Even
these will die out tonight after enough drying and mid level
warming occur in the wake of the upper level trough.

The pressure gradient will relax tonight as surface high pressure
builds eastward over the Tennessee Valley. Latest model runs show
enough cold air advection and drying by dawn for a bit of frost
in the coldest valleys. Ridging at the surface and aloft passing
through on Monday will give mainly clear skies allowing for a
decent warm-up into the 60s in the cool air mass.

The next upper level trough and cold front will approach from the
west on Monday night, with warm air advection kicking in ahead of
the front. This will hold ridges, open terrain and western valleys
milder. However, eastern valleys are still expected to decouple,
and again lead to a frost potential.

.LONG TERM...(After midnight Monday night through Saturday)
Issued at 647 AM EDT SUN OCT 19 2025

Another cold front associated with a strong but progressive upper
trough will be bearing down on the area from the northwest at the
start of the long term period. Unlike the previous front, this one
will have much less moisture to work with. Never the less, the
strength of the system still could squeeze out a few showers.

As the upper trough shifts to our northeast, surface high
pressure builds in the from the west behind the cold front on
Tuesday night through Thursday. Our cool and dry air mass will be
accompanied by fair weather during this time, with a frost
potential of varying extent each night Tuesday night through
Thursday night.

Yet another system is expected to approach at the end of the week.
This one is an upper level wave in the southern stream of what is
expected to become a split flow regime. Low level flow ahead of
the surface reflection of the system is expected to be more
effective at pulling in moisture, although our highest POP will
probably not occur until after the current long term period.

&&

.AVIATION...(For the 12Z TAFS through 12Z Monday morning)
ISSUED AT 836 AM EDT SUN OCT 19 2025

A cold front moving through from west to east will bring wind,
showers, and a period of sub-VFR conditions today.

Showers and gusty winds are currently arriving from the west.
MVFR conditions are expected to develop after the precip arrives.
Winds gusts of 30-35 kts are forecast during the day.

Showers will taper off from west southwest to east northeast this
evening and ceilings will break up, leaving VFR conditions to
return. Winds will also diminish.

&&

.JKL WATCHES/WARNINGS/ADVISORIES...
Wind Advisory until 11 AM EDT this morning for KYZ044-050>052-
058>060-068-069-079-080-083>085-104-106-108-111.


&&

$$

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






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